Home / 74,732,405.10-112,098,607.65-45,885,000.30

Finding the Fourth Proportional to 74,732,405.10, 112,098,607.65 and 45,885,000.30

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Solution

The fourth proportional to 74,732,405.10, 112,098,607.65 and 45,885,000.30 is: 68,827,500.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,732,405.10 : 112,098,607.65 = 45,885,000.30 : x
  2. Step 2: Convert to fraction form
    74,732,405.10/112,098,607.65 = 45,885,000.30/x
  3. Step 3: Cross multiply
    74,732,405.10x = 112,098,607.65 × 45,885,000.30
  4. Step 4: Simplify right side
    74,732,405.10x = 5,143,644,645,649,832
  5. Step 5: Solve for x
    x = 5,143,644,645,649,832/74,732,405.10
  6. Step 6: Final answer
    x = 68,827,500.45

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1.5x scale

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.