Home / 100,499,246.80-150,748,870.20-84,060,005.20

Finding the Fourth Proportional to 100,499,246.80, 150,748,870.20 and 84,060,005.20

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Solution

The fourth proportional to 100,499,246.80, 150,748,870.20 and 84,060,005.20 is: 126,090,007.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,499,246.80 : 150,748,870.20 = 84,060,005.20 : x
  2. Step 2: Convert to fraction form
    100,499,246.80/150,748,870.20 = 84,060,005.20/x
  3. Step 3: Cross multiply
    100,499,246.80x = 150,748,870.20 × 84,060,005.20
  4. Step 4: Simplify right side
    100,499,246.80x = 12,671,950,812,906,124
  5. Step 5: Solve for x
    x = 12,671,950,812,906,124/100,499,246.80
  6. Step 6: Final answer
    x = 126,090,007.80

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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.