Home / 101,232,421.64-139,700,046.29-54,821,613.50

Finding the Fourth Proportional to 101,232,421.64, 139,700,046.29 and 54,821,613.50

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Solution

The fourth proportional to 101,232,421.64, 139,700,046.29 and 54,821,613.50 is: 75,653,449.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,232,421.64 : 139,700,046.29 = 54,821,613.50 : x
  2. Step 2: Convert to fraction form
    101,232,421.64/139,700,046.29 = 54,821,613.50/x
  3. Step 3: Cross multiply
    101,232,421.64x = 139,700,046.29 × 54,821,613.50
  4. Step 4: Simplify right side
    101,232,421.64x = 7,658,581,943,642,488
  5. Step 5: Solve for x
    x = 7,658,581,943,642,488/101,232,421.64
  6. Step 6: Final answer
    x = 75,653,449.95

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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.