Home / 76,288,300.80-114,432,451.20-67,927,545.60

Finding the Fourth Proportional to 76,288,300.80, 114,432,451.20 and 67,927,545.60

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Solution

The fourth proportional to 76,288,300.80, 114,432,451.20 and 67,927,545.60 is: 101,891,318.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,288,300.80 : 114,432,451.20 = 67,927,545.60 : x
  2. Step 2: Convert to fraction form
    76,288,300.80/114,432,451.20 = 67,927,545.60/x
  3. Step 3: Cross multiply
    76,288,300.80x = 114,432,451.20 × 67,927,545.60
  4. Step 4: Simplify right side
    76,288,300.80x = 7,773,115,547,007,774
  5. Step 5: Solve for x
    x = 7,773,115,547,007,774/76,288,300.80
  6. Step 6: Final answer
    x = 101,891,318.40

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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.