Home / 118,762,414.80-178,143,622.20-99,630,538.80

Finding the Fourth Proportional to 118,762,414.80, 178,143,622.20 and 99,630,538.80

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Solution

The fourth proportional to 118,762,414.80, 178,143,622.20 and 99,630,538.80 is: 149,445,808.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,762,414.80 : 178,143,622.20 = 99,630,538.80 : x
  2. Step 2: Convert to fraction form
    118,762,414.80/178,143,622.20 = 99,630,538.80/x
  3. Step 3: Cross multiply
    118,762,414.80x = 178,143,622.20 × 99,630,538.80
  4. Step 4: Simplify right side
    118,762,414.80x = 17,748,545,063,569,640
  5. Step 5: Solve for x
    x = 17,748,545,063,569,640/118,762,414.80
  6. Step 6: Final answer
    x = 149,445,808.20

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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.