Home / 152,070,767.97-209,861,786.25-86,001,146.25

Finding the Fourth Proportional to 152,070,767.97, 209,861,786.25 and 86,001,146.25

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Solution

The fourth proportional to 152,070,767.97, 209,861,786.25 and 86,001,146.25 is: 118,683,915.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,070,767.97 : 209,861,786.25 = 86,001,146.25 : x
  2. Step 2: Convert to fraction form
    152,070,767.97/209,861,786.25 = 86,001,146.25/x
  3. Step 3: Cross multiply
    152,070,767.97x = 209,861,786.25 × 86,001,146.25
  4. Step 4: Simplify right side
    152,070,767.97x = 18,048,354,171,572,488
  5. Step 5: Solve for x
    x = 18,048,354,171,572,488/152,070,767.97
  6. Step 6: Final answer
    x = 118,683,915.47

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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.