Home / 342,025,658.60-513,038,487.90-99,696,468.20

Finding the Fourth Proportional to 342,025,658.60, 513,038,487.90 and 99,696,468.20

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Solution

The fourth proportional to 342,025,658.60, 513,038,487.90 and 99,696,468.20 is: 149,544,702.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,025,658.60 : 513,038,487.90 = 99,696,468.20 : x
  2. Step 2: Convert to fraction form
    342,025,658.60/513,038,487.90 = 99,696,468.20/x
  3. Step 3: Cross multiply
    342,025,658.60x = 513,038,487.90 × 99,696,468.20
  4. Step 4: Simplify right side
    342,025,658.60x = 51,148,125,294,298,432
  5. Step 5: Solve for x
    x = 51,148,125,294,298,432/342,025,658.60
  6. Step 6: Final answer
    x = 149,544,702.30

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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.