Home / 83,211,550.40-124,733,344.80-37,805,931.20

Finding the Fourth Proportional to 83,211,550.40, 124,733,344.80 and 37,805,931.20

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Solution

The fourth proportional to 83,211,550.40, 124,733,344.80 and 37,805,931.20 is: 56,670,741.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,211,550.40 : 124,733,344.80 = 37,805,931.20 : x
  2. Step 2: Convert to fraction form
    83,211,550.40/124,733,344.80 = 37,805,931.20/x
  3. Step 3: Cross multiply
    83,211,550.40x = 124,733,344.80 × 37,805,931.20
  4. Step 4: Simplify right side
    83,211,550.40x = 4,715,660,251,854,678
  5. Step 5: Solve for x
    x = 4,715,660,251,854,678/83,211,550.40
  6. Step 6: Final answer
    x = 56,670,741.37

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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.