Home / 91,566,074.60-137,349,111.90-79,236,643.40

Finding the Fourth Proportional to 91,566,074.60, 137,349,111.90 and 79,236,643.40

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Solution

The fourth proportional to 91,566,074.60, 137,349,111.90 and 79,236,643.40 is: 118,854,965.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,566,074.60 : 137,349,111.90 = 79,236,643.40 : x
  2. Step 2: Convert to fraction form
    91,566,074.60/137,349,111.90 = 79,236,643.40/x
  3. Step 3: Cross multiply
    91,566,074.60x = 137,349,111.90 × 79,236,643.40
  4. Step 4: Simplify right side
    91,566,074.60x = 10,883,082,600,926,998
  5. Step 5: Solve for x
    x = 10,883,082,600,926,998/91,566,074.60
  6. Step 6: Final answer
    x = 118,854,965.10

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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.