Home / 91,559,767.30-126,321,229.35-56,739,752.98

Finding the Fourth Proportional to 91,559,767.30, 126,321,229.35 and 56,739,752.98

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Solution

The fourth proportional to 91,559,767.30, 126,321,229.35 and 56,739,752.98 is: 78,281,493.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,559,767.30 : 126,321,229.35 = 56,739,752.98 : x
  2. Step 2: Convert to fraction form
    91,559,767.30/126,321,229.35 = 56,739,752.98/x
  3. Step 3: Cross multiply
    91,559,767.30x = 126,321,229.35 × 56,739,752.98
  4. Step 4: Simplify right side
    91,559,767.30x = 7,167,435,349,133,122
  5. Step 5: Solve for x
    x = 7,167,435,349,133,122/91,559,767.30
  6. Step 6: Final answer
    x = 78,281,493.72

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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.