Home / 76,655,595.60-115,016,052.60-40,291,909.20

Finding the Fourth Proportional to 76,655,595.60, 115,016,052.60 and 40,291,909.20

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Solution

The fourth proportional to 76,655,595.60, 115,016,052.60 and 40,291,909.20 is: 60,455,030.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,655,595.60 : 115,016,052.60 = 40,291,909.20 : x
  2. Step 2: Convert to fraction form
    76,655,595.60/115,016,052.60 = 40,291,909.20/x
  3. Step 3: Cross multiply
    76,655,595.60x = 115,016,052.60 × 40,291,909.20
  4. Step 4: Simplify right side
    76,655,595.60x = 4,634,216,347,901,624
  5. Step 5: Solve for x
    x = 4,634,216,347,901,624/76,655,595.60
  6. Step 6: Final answer
    x = 60,455,030.21

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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.