Home / 105,079,610.19-157,482,679.95-42,758,280.69

Finding the Fourth Proportional to 105,079,610.19, 157,482,679.95 and 42,758,280.69

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Solution

The fourth proportional to 105,079,610.19, 157,482,679.95 and 42,758,280.69 is: 64,081,781.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,079,610.19 : 157,482,679.95 = 42,758,280.69 : x
  2. Step 2: Convert to fraction form
    105,079,610.19/157,482,679.95 = 42,758,280.69/x
  3. Step 3: Cross multiply
    105,079,610.19x = 157,482,679.95 × 42,758,280.69
  4. Step 4: Simplify right side
    105,079,610.19x = 6,733,688,633,115,534
  5. Step 5: Solve for x
    x = 6,733,688,633,115,534/105,079,610.19
  6. Step 6: Final answer
    x = 64,081,781.62

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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.