Home / 76,018,459.30-104,901,433.50-42,976,732.92

Finding the Fourth Proportional to 76,018,459.30, 104,901,433.50 and 42,976,732.92

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Solution

The fourth proportional to 76,018,459.30, 104,901,433.50 and 42,976,732.92 is: 59,305,607.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,018,459.30 : 104,901,433.50 = 42,976,732.92 : x
  2. Step 2: Convert to fraction form
    76,018,459.30/104,901,433.50 = 42,976,732.92/x
  3. Step 3: Cross multiply
    76,018,459.30x = 104,901,433.50 × 42,976,732.92
  4. Step 4: Simplify right side
    76,018,459.30x = 4,508,320,890,454,641
  5. Step 5: Solve for x
    x = 4,508,320,890,454,641/76,018,459.30
  6. Step 6: Final answer
    x = 59,305,607.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.