Home / 99,013,340.32-148,550,417.88-47,263,977.76

Finding the Fourth Proportional to 99,013,340.32, 148,550,417.88 and 47,263,977.76

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Solution

The fourth proportional to 99,013,340.32, 148,550,417.88 and 47,263,977.76 is: 70,910,481.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,013,340.32 : 148,550,417.88 = 47,263,977.76 : x
  2. Step 2: Convert to fraction form
    99,013,340.32/148,550,417.88 = 47,263,977.76/x
  3. Step 3: Cross multiply
    99,013,340.32x = 148,550,417.88 × 47,263,977.76
  4. Step 4: Simplify right side
    99,013,340.32x = 7,021,083,646,919,026
  5. Step 5: Solve for x
    x = 7,021,083,646,919,026/99,013,340.32
  6. Step 6: Final answer
    x = 70,910,481.60

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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.