Home / 124,416,082.60-186,624,123.90-78,842,501.80

Finding the Fourth Proportional to 124,416,082.60, 186,624,123.90 and 78,842,501.80

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Solution

The fourth proportional to 124,416,082.60, 186,624,123.90 and 78,842,501.80 is: 118,263,752.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,416,082.60 : 186,624,123.90 = 78,842,501.80 : x
  2. Step 2: Convert to fraction form
    124,416,082.60/186,624,123.90 = 78,842,501.80/x
  3. Step 3: Cross multiply
    124,416,082.60x = 186,624,123.90 × 78,842,501.80
  4. Step 4: Simplify right side
    124,416,082.60x = 14,713,912,824,509,172
  5. Step 5: Solve for x
    x = 14,713,912,824,509,172/124,416,082.60
  6. Step 6: Final answer
    x = 118,263,752.70

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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.