Home / 118,661,165.20-178,044,891.90-53,931,651.40

Finding the Fourth Proportional to 118,661,165.20, 178,044,891.90 and 53,931,651.40

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Solution

The fourth proportional to 118,661,165.20, 178,044,891.90 and 53,931,651.40 is: 80,921,631.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,661,165.20 : 178,044,891.90 = 53,931,651.40 : x
  2. Step 2: Convert to fraction form
    118,661,165.20/178,044,891.90 = 53,931,651.40/x
  3. Step 3: Cross multiply
    118,661,165.20x = 178,044,891.90 × 53,931,651.40
  4. Step 4: Simplify right side
    118,661,165.20x = 9,602,255,043,501,484
  5. Step 5: Solve for x
    x = 9,602,255,043,501,484/118,661,165.20
  6. Step 6: Final answer
    x = 80,921,631.16

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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.