Home / 78,732,080.40-118,098,120.60-59,175,051.60

Finding the Fourth Proportional to 78,732,080.40, 118,098,120.60 and 59,175,051.60

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Solution

The fourth proportional to 78,732,080.40, 118,098,120.60 and 59,175,051.60 is: 88,762,577.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,732,080.40 : 118,098,120.60 = 59,175,051.60 : x
  2. Step 2: Convert to fraction form
    78,732,080.40/118,098,120.60 = 59,175,051.60/x
  3. Step 3: Cross multiply
    78,732,080.40x = 118,098,120.60 × 59,175,051.60
  4. Step 4: Simplify right side
    78,732,080.40x = 6,988,462,380,368,023
  5. Step 5: Solve for x
    x = 6,988,462,380,368,023/78,732,080.40
  6. Step 6: Final answer
    x = 88,762,577.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.