Home / 87,936,700.60-131,905,050.90-74,898,681.40

Finding the Fourth Proportional to 87,936,700.60, 131,905,050.90 and 74,898,681.40

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Solution

The fourth proportional to 87,936,700.60, 131,905,050.90 and 74,898,681.40 is: 112,348,022.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,936,700.60 : 131,905,050.90 = 74,898,681.40 : x
  2. Step 2: Convert to fraction form
    87,936,700.60/131,905,050.90 = 74,898,681.40/x
  3. Step 3: Cross multiply
    87,936,700.60x = 131,905,050.90 × 74,898,681.40
  4. Step 4: Simplify right side
    87,936,700.60x = 9,879,514,382,409,884
  5. Step 5: Solve for x
    x = 9,879,514,382,409,884/87,936,700.60
  6. Step 6: Final answer
    x = 112,348,022.10

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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.