Home / 139,344,501.18-192,287,881.35-77,460,449.34

Finding the Fourth Proportional to 139,344,501.18, 192,287,881.35 and 77,460,449.34

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Solution

The fourth proportional to 139,344,501.18, 192,287,881.35 and 77,460,449.34 is: 106,891,234.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,344,501.18 : 192,287,881.35 = 77,460,449.34 : x
  2. Step 2: Convert to fraction form
    139,344,501.18/192,287,881.35 = 77,460,449.34/x
  3. Step 3: Cross multiply
    139,344,501.18x = 192,287,881.35 × 77,460,449.34
  4. Step 4: Simplify right side
    139,344,501.18x = 14,894,705,692,007,606
  5. Step 5: Solve for x
    x = 14,894,705,692,007,606/139,344,501.18
  6. Step 6: Final answer
    x = 106,891,234.07

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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.