Home / 91,875,806.10-126,748,773.42-54,685,232.82

Finding the Fourth Proportional to 91,875,806.10, 126,748,773.42 and 54,685,232.82

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Solution

The fourth proportional to 91,875,806.10, 126,748,773.42 and 54,685,232.82 is: 75,441,908.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,875,806.10 : 126,748,773.42 = 54,685,232.82 : x
  2. Step 2: Convert to fraction form
    91,875,806.10/126,748,773.42 = 54,685,232.82/x
  3. Step 3: Cross multiply
    91,875,806.10x = 126,748,773.42 × 54,685,232.82
  4. Step 4: Simplify right side
    91,875,806.10x = 6,931,286,184,122,128
  5. Step 5: Solve for x
    x = 6,931,286,184,122,128/91,875,806.10
  6. Step 6: Final answer
    x = 75,441,908.79

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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.