Home / 56,050,920.12-77,350,317.90-31,271,110.80

Finding the Fourth Proportional to 56,050,920.12, 77,350,317.90 and 31,271,110.80

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Solution

The fourth proportional to 56,050,920.12, 77,350,317.90 and 31,271,110.80 is: 43,154,159.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,050,920.12 : 77,350,317.90 = 31,271,110.80 : x
  2. Step 2: Convert to fraction form
    56,050,920.12/77,350,317.90 = 31,271,110.80/x
  3. Step 3: Cross multiply
    56,050,920.12x = 77,350,317.90 × 31,271,110.80
  4. Step 4: Simplify right side
    56,050,920.12x = 2,418,830,361,466,123.50
  5. Step 5: Solve for x
    x = 2,418,830,361,466,123.50/56,050,920.12
  6. Step 6: Final answer
    x = 43,154,159.76

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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.