Home / 153,382,667.84-211,673,304.86-90,712,487.92

Finding the Fourth Proportional to 153,382,667.84, 211,673,304.86 and 90,712,487.92

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Solution

The fourth proportional to 153,382,667.84, 211,673,304.86 and 90,712,487.92 is: 125,186,322.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,382,667.84 : 211,673,304.86 = 90,712,487.92 : x
  2. Step 2: Convert to fraction form
    153,382,667.84/211,673,304.86 = 90,712,487.92/x
  3. Step 3: Cross multiply
    153,382,667.84x = 211,673,304.86 × 90,712,487.92
  4. Step 4: Simplify right side
    153,382,667.84x = 19,201,412,110,099,228
  5. Step 5: Solve for x
    x = 19,201,412,110,099,228/153,382,667.84
  6. Step 6: Final answer
    x = 125,186,322.42

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1.5x scale

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.