Home / 99,618,816.80-149,456,218.80-48,502,503.20

Finding the Fourth Proportional to 99,618,816.80, 149,456,218.80 and 48,502,503.20

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Solution

The fourth proportional to 99,618,816.80, 149,456,218.80 and 48,502,503.20 is: 72,767,384.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,618,816.80 : 149,456,218.80 = 48,502,503.20 : x
  2. Step 2: Convert to fraction form
    99,618,816.80/149,456,218.80 = 48,502,503.20/x
  3. Step 3: Cross multiply
    99,618,816.80x = 149,456,218.80 × 48,502,503.20
  4. Step 4: Simplify right side
    99,618,816.80x = 7,249,000,730,606,901
  5. Step 5: Solve for x
    x = 7,249,000,730,606,901/99,618,816.80
  6. Step 6: Final answer
    x = 72,767,384.35

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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.