Home / 78,870,801.60-118,306,202.40-44,858,577.60

Finding the Fourth Proportional to 78,870,801.60, 118,306,202.40 and 44,858,577.60

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Solution

The fourth proportional to 78,870,801.60, 118,306,202.40 and 44,858,577.60 is: 67,287,866.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,870,801.60 : 118,306,202.40 = 44,858,577.60 : x
  2. Step 2: Convert to fraction form
    78,870,801.60/118,306,202.40 = 44,858,577.60/x
  3. Step 3: Cross multiply
    78,870,801.60x = 118,306,202.40 × 44,858,577.60
  4. Step 4: Simplify right side
    78,870,801.60x = 5,307,047,960,921,707
  5. Step 5: Solve for x
    x = 5,307,047,960,921,707/78,870,801.60
  6. Step 6: Final answer
    x = 67,287,866.40

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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.