Home / 147,501,645.20-221,386,312.20-74,769,023.60

Finding the Fourth Proportional to 147,501,645.20, 221,386,312.20 and 74,769,023.60

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Solution

The fourth proportional to 147,501,645.20, 221,386,312.20 and 74,769,023.60 is: 112,221,381.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,501,645.20 : 221,386,312.20 = 74,769,023.60 : x
  2. Step 2: Convert to fraction form
    147,501,645.20/221,386,312.20 = 74,769,023.60/x
  3. Step 3: Cross multiply
    147,501,645.20x = 221,386,312.20 × 74,769,023.60
  4. Step 4: Simplify right side
    147,501,645.20x = 16,552,838,401,598,766
  5. Step 5: Solve for x
    x = 16,552,838,401,598,766/147,501,645.20
  6. Step 6: Final answer
    x = 112,221,381.53

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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.