Home / 145,582,509.81-218,482,221.17-106,821,123.95

Finding the Fourth Proportional to 145,582,509.81, 218,482,221.17 and 106,821,123.95

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Solution

The fourth proportional to 145,582,509.81, 218,482,221.17 and 106,821,123.95 is: 160,311,265.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,582,509.81 : 218,482,221.17 = 106,821,123.95 : x
  2. Step 2: Convert to fraction form
    145,582,509.81/218,482,221.17 = 106,821,123.95/x
  3. Step 3: Cross multiply
    145,582,509.81x = 218,482,221.17 × 106,821,123.95
  4. Step 4: Simplify right side
    145,582,509.81x = 23,338,516,426,845,364
  5. Step 5: Solve for x
    x = 23,338,516,426,845,364/145,582,509.81
  6. Step 6: Final answer
    x = 160,311,265.81

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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.