Home / 142,565,706.59-196,829,532.02-97,988,435.51

Finding the Fourth Proportional to 142,565,706.59, 196,829,532.02 and 97,988,435.51

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Solution

The fourth proportional to 142,565,706.59, 196,829,532.02 and 97,988,435.51 is: 135,285,114.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,565,706.59 : 196,829,532.02 = 97,988,435.51 : x
  2. Step 2: Convert to fraction form
    142,565,706.59/196,829,532.02 = 97,988,435.51/x
  3. Step 3: Cross multiply
    142,565,706.59x = 196,829,532.02 × 97,988,435.51
  4. Step 4: Simplify right side
    142,565,706.59x = 19,287,017,904,066,072
  5. Step 5: Solve for x
    x = 19,287,017,904,066,072/142,565,706.59
  6. Step 6: Final answer
    x = 135,285,114.25

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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.