Home / 118,579,900.24-163,510,316.04-77,250,149.20

Finding the Fourth Proportional to 118,579,900.24, 163,510,316.04 and 77,250,149.20

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Solution

The fourth proportional to 118,579,900.24, 163,510,316.04 and 77,250,149.20 is: 106,520,550.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,579,900.24 : 163,510,316.04 = 77,250,149.20 : x
  2. Step 2: Convert to fraction form
    118,579,900.24/163,510,316.04 = 77,250,149.20/x
  3. Step 3: Cross multiply
    118,579,900.24x = 163,510,316.04 × 77,250,149.20
  4. Step 4: Simplify right side
    118,579,900.24x = 12,631,196,309,829,154
  5. Step 5: Solve for x
    x = 12,631,196,309,829,154/118,579,900.24
  6. Step 6: Final answer
    x = 106,520,550.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.