Home / 99,252,428.40-148,666,066.20-80,120,552.40

Finding the Fourth Proportional to 99,252,428.40, 148,666,066.20 and 80,120,552.40

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Solution

The fourth proportional to 99,252,428.40, 148,666,066.20 and 80,120,552.40 is: 120,009,228.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,252,428.40 : 148,666,066.20 = 80,120,552.40 : x
  2. Step 2: Convert to fraction form
    99,252,428.40/148,666,066.20 = 80,120,552.40/x
  3. Step 3: Cross multiply
    99,252,428.40x = 148,666,066.20 × 80,120,552.40
  4. Step 4: Simplify right side
    99,252,428.40x = 11,911,207,347,078,968
  5. Step 5: Solve for x
    x = 11,911,207,347,078,968/99,252,428.40
  6. Step 6: Final answer
    x = 120,009,228.38

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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.