Home / 52,445,470.80-78,690,902.40-28,156,065.60

Finding the Fourth Proportional to 52,445,470.80, 78,690,902.40 and 28,156,065.60

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Solution

The fourth proportional to 52,445,470.80, 78,690,902.40 and 28,156,065.60 is: 42,246,283.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,445,470.80 : 78,690,902.40 = 28,156,065.60 : x
  2. Step 2: Convert to fraction form
    52,445,470.80/78,690,902.40 = 28,156,065.60/x
  3. Step 3: Cross multiply
    52,445,470.80x = 78,690,902.40 × 28,156,065.60
  4. Step 4: Simplify right side
    52,445,470.80x = 2,215,626,210,097,597.75
  5. Step 5: Solve for x
    x = 2,215,626,210,097,597.75/52,445,470.80
  6. Step 6: Final answer
    x = 42,246,283.16

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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.