Home / 99,208,146.86-148,818,012.17-30,123,204.20

Finding the Fourth Proportional to 99,208,146.86, 148,818,012.17 and 30,123,204.20

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Solution

The fourth proportional to 99,208,146.86, 148,818,012.17 and 30,123,204.20 is: 45,186,564.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,208,146.86 : 148,818,012.17 = 30,123,204.20 : x
  2. Step 2: Convert to fraction form
    99,208,146.86/148,818,012.17 = 30,123,204.20/x
  3. Step 3: Cross multiply
    99,208,146.86x = 148,818,012.17 × 30,123,204.20
  4. Step 4: Simplify right side
    99,208,146.86x = 4,482,875,369,682,348.50
  5. Step 5: Solve for x
    x = 4,482,875,369,682,348.50/99,208,146.86
  6. Step 6: Final answer
    x = 45,186,564.93

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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.