Home / 86,142,667.50-129,214,001.34-25,558,393.50

Finding the Fourth Proportional to 86,142,667.50, 129,214,001.34 and 25,558,393.50

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Solution

The fourth proportional to 86,142,667.50, 129,214,001.34 and 25,558,393.50 is: 38,337,590.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,142,667.50 : 129,214,001.34 = 25,558,393.50 : x
  2. Step 2: Convert to fraction form
    86,142,667.50/129,214,001.34 = 25,558,393.50/x
  3. Step 3: Cross multiply
    86,142,667.50x = 129,214,001.34 × 25,558,393.50
  4. Step 4: Simplify right side
    86,142,667.50x = 3,302,502,291,957,247.50
  5. Step 5: Solve for x
    x = 3,302,502,291,957,247.50/86,142,667.50
  6. Step 6: Final answer
    x = 38,337,590.28

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.