Home / 74,733,143.40-112,099,715.10-62,639,908.20

Finding the Fourth Proportional to 74,733,143.40, 112,099,715.10 and 62,639,908.20

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Solution

The fourth proportional to 74,733,143.40, 112,099,715.10 and 62,639,908.20 is: 93,959,862.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,733,143.40 : 112,099,715.10 = 62,639,908.20 : x
  2. Step 2: Convert to fraction form
    74,733,143.40/112,099,715.10 = 62,639,908.20/x
  3. Step 3: Cross multiply
    74,733,143.40x = 112,099,715.10 × 62,639,908.20
  4. Step 4: Simplify right side
    74,733,143.40x = 7,021,915,863,110,154
  5. Step 5: Solve for x
    x = 7,021,915,863,110,154/74,733,143.40
  6. Step 6: Final answer
    x = 93,959,862.30

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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.