Home / 124,416,082.10-186,624,123.15-78,842,501.30

Finding the Fourth Proportional to 124,416,082.10, 186,624,123.15 and 78,842,501.30

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Solution

The fourth proportional to 124,416,082.10, 186,624,123.15 and 78,842,501.30 is: 118,263,751.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,416,082.10 : 186,624,123.15 = 78,842,501.30 : x
  2. Step 2: Convert to fraction form
    124,416,082.10/186,624,123.15 = 78,842,501.30/x
  3. Step 3: Cross multiply
    124,416,082.10x = 186,624,123.15 × 78,842,501.30
  4. Step 4: Simplify right side
    124,416,082.10x = 14,713,912,672,065,236
  5. Step 5: Solve for x
    x = 14,713,912,672,065,236/124,416,082.10
  6. Step 6: Final answer
    x = 118,263,751.95

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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.