Home / 91,091,390.40-125,575,374.24-64,940,507.46

Finding the Fourth Proportional to 91,091,390.40, 125,575,374.24 and 64,940,507.46

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Solution

The fourth proportional to 91,091,390.40, 125,575,374.24 and 64,940,507.46 is: 89,524,690.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,091,390.40 : 125,575,374.24 = 64,940,507.46 : x
  2. Step 2: Convert to fraction form
    91,091,390.40/125,575,374.24 = 64,940,507.46/x
  3. Step 3: Cross multiply
    91,091,390.40x = 125,575,374.24 × 64,940,507.46
  4. Step 4: Simplify right side
    91,091,390.40x = 8,154,928,527,625,012
  5. Step 5: Solve for x
    x = 8,154,928,527,625,012/91,091,390.40
  6. Step 6: Final answer
    x = 89,524,690.44

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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.