Home / 342,281,365.60-513,366,957.20-99,887,458.40

Finding the Fourth Proportional to 342,281,365.60, 513,366,957.20 and 99,887,458.40

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Solution

The fourth proportional to 342,281,365.60, 513,366,957.20 and 99,887,458.40 is: 149,815,110.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,281,365.60 : 513,366,957.20 = 99,887,458.40 : x
  2. Step 2: Convert to fraction form
    342,281,365.60/513,366,957.20 = 99,887,458.40/x
  3. Step 3: Cross multiply
    342,281,365.60x = 513,366,957.20 × 99,887,458.40
  4. Step 4: Simplify right side
    342,281,365.60x = 51,278,920,581,249,584
  5. Step 5: Solve for x
    x = 51,278,920,581,249,584/342,281,365.60
  6. Step 6: Final answer
    x = 149,815,110.42

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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.