Home / 102,941,720.16-142,091,420.04-66,272,262

Finding the Fourth Proportional to 102,941,720.16, 142,091,420.04 and 66,272,262

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Solution

The fourth proportional to 102,941,720.16, 142,091,420.04 and 66,272,262 is: 91,476,223.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,941,720.16 : 142,091,420.04 = 66,272,262 : x
  2. Step 2: Convert to fraction form
    102,941,720.16/142,091,420.04 = 66,272,262/x
  3. Step 3: Cross multiply
    102,941,720.16x = 142,091,420.04 × 66,272,262
  4. Step 4: Simplify right side
    102,941,720.16x = 9,416,719,816,842,930
  5. Step 5: Solve for x
    x = 9,416,719,816,842,930/102,941,720.16
  6. Step 6: Final answer
    x = 91,476,223.66

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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.