Home / 91,406,468.32-126,143,247.18-50,153,349.76

Finding the Fourth Proportional to 91,406,468.32, 126,143,247.18 and 50,153,349.76

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Solution

The fourth proportional to 91,406,468.32, 126,143,247.18 and 50,153,349.76 is: 69,212,896.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,406,468.32 : 126,143,247.18 = 50,153,349.76 : x
  2. Step 2: Convert to fraction form
    91,406,468.32/126,143,247.18 = 50,153,349.76/x
  3. Step 3: Cross multiply
    91,406,468.32x = 126,143,247.18 × 50,153,349.76
  4. Step 4: Simplify right side
    91,406,468.32x = 6,326,506,395,680,674
  5. Step 5: Solve for x
    x = 6,326,506,395,680,674/91,406,468.32
  6. Step 6: Final answer
    x = 69,212,896.11

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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.