Home / 56,564,765.28-78,057,178.72-34,575,082.92

Finding the Fourth Proportional to 56,564,765.28, 78,057,178.72 and 34,575,082.92

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Solution

The fourth proportional to 56,564,765.28, 78,057,178.72 and 34,575,082.92 is: 47,712,271.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,564,765.28 : 78,057,178.72 = 34,575,082.92 : x
  2. Step 2: Convert to fraction form
    56,564,765.28/78,057,178.72 = 34,575,082.92/x
  3. Step 3: Cross multiply
    56,564,765.28x = 78,057,178.72 × 34,575,082.92
  4. Step 4: Simplify right side
    56,564,765.28x = 2,698,833,426,745,259.50
  5. Step 5: Solve for x
    x = 2,698,833,426,745,259.50/56,564,765.28
  6. Step 6: Final answer
    x = 47,712,271.29

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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.