Home / 107,298,891.90-160,948,337.85-39,143,807.10

Finding the Fourth Proportional to 107,298,891.90, 160,948,337.85 and 39,143,807.10

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Solution

The fourth proportional to 107,298,891.90, 160,948,337.85 and 39,143,807.10 is: 58,715,710.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,298,891.90 : 160,948,337.85 = 39,143,807.10 : x
  2. Step 2: Convert to fraction form
    107,298,891.90/160,948,337.85 = 39,143,807.10/x
  3. Step 3: Cross multiply
    107,298,891.90x = 160,948,337.85 × 39,143,807.10
  4. Step 4: Simplify right side
    107,298,891.90x = 6,300,130,689,866,029
  5. Step 5: Solve for x
    x = 6,300,130,689,866,029/107,298,891.90
  6. Step 6: Final answer
    x = 58,715,710.65

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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.