Home / 76,268,284.86-105,249,793.11-43,234,765.02

Finding the Fourth Proportional to 76,268,284.86, 105,249,793.11 and 43,234,765.02

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Solution

The fourth proportional to 76,268,284.86, 105,249,793.11 and 43,234,765.02 is: 59,663,726.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,268,284.86 : 105,249,793.11 = 43,234,765.02 : x
  2. Step 2: Convert to fraction form
    76,268,284.86/105,249,793.11 = 43,234,765.02/x
  3. Step 3: Cross multiply
    76,268,284.86x = 105,249,793.11 × 43,234,765.02
  4. Step 4: Simplify right side
    76,268,284.86x = 4,550,450,073,514,465
  5. Step 5: Solve for x
    x = 4,550,450,073,514,465/76,268,284.86
  6. Step 6: Final answer
    x = 59,663,726.30

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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.