Home / 61,762,145-92,643,220.38-42,312,191.72

Finding the Fourth Proportional to 61,762,145, 92,643,220.38 and 42,312,191.72

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Solution

The fourth proportional to 61,762,145, 92,643,220.38 and 42,312,191.72 is: 63,468,289.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,762,145 : 92,643,220.38 = 42,312,191.72 : x
  2. Step 2: Convert to fraction form
    61,762,145/92,643,220.38 = 42,312,191.72/x
  3. Step 3: Cross multiply
    61,762,145x = 92,643,220.38 × 42,312,191.72
  4. Step 4: Simplify right side
    61,762,145x = 3,919,937,702,276,771
  5. Step 5: Solve for x
    x = 3,919,937,702,276,771/61,762,145
  6. Step 6: Final answer
    x = 63,468,289.55

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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.