Home / 48,386,781.80-72,496,191.90-31,338,679.40

Finding the Fourth Proportional to 48,386,781.80, 72,496,191.90 and 31,338,679.40

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Solution

The fourth proportional to 48,386,781.80, 72,496,191.90 and 31,338,679.40 is: 46,953,627.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,386,781.80 : 72,496,191.90 = 31,338,679.40 : x
  2. Step 2: Convert to fraction form
    48,386,781.80/72,496,191.90 = 31,338,679.40/x
  3. Step 3: Cross multiply
    48,386,781.80x = 72,496,191.90 × 31,338,679.40
  4. Step 4: Simplify right side
    48,386,781.80x = 2,271,934,915,674,977
  5. Step 5: Solve for x
    x = 2,271,934,915,674,977/48,386,781.80
  6. Step 6: Final answer
    x = 46,953,627.23

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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.