Home / 153,324,982.56-211,587,369.54-83,710,363.26

Finding the Fourth Proportional to 153,324,982.56, 211,587,369.54 and 83,710,363.26

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Solution

The fourth proportional to 153,324,982.56, 211,587,369.54 and 83,710,363.26 is: 115,519,697.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,324,982.56 : 211,587,369.54 = 83,710,363.26 : x
  2. Step 2: Convert to fraction form
    153,324,982.56/211,587,369.54 = 83,710,363.26/x
  3. Step 3: Cross multiply
    153,324,982.56x = 211,587,369.54 × 83,710,363.26
  4. Step 4: Simplify right side
    153,324,982.56x = 17,712,055,565,421,260
  5. Step 5: Solve for x
    x = 17,712,055,565,421,260/153,324,982.56
  6. Step 6: Final answer
    x = 115,519,697.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.