Home / 123,288,798.65-170,074,037.90-76,230,829.49

Finding the Fourth Proportional to 123,288,798.65, 170,074,037.90 and 76,230,829.49

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Solution

The fourth proportional to 123,288,798.65, 170,074,037.90 and 76,230,829.49 is: 105,158,661.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,288,798.65 : 170,074,037.90 = 76,230,829.49 : x
  2. Step 2: Convert to fraction form
    123,288,798.65/170,074,037.90 = 76,230,829.49/x
  3. Step 3: Cross multiply
    123,288,798.65x = 170,074,037.90 × 76,230,829.49
  4. Step 4: Simplify right side
    123,288,798.65x = 12,964,884,982,980,328
  5. Step 5: Solve for x
    x = 12,964,884,982,980,328/123,288,798.65
  6. Step 6: Final answer
    x = 105,158,661.01

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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.