Home / 99,742,777.80-149,708,645.10-61,479,025.80

Finding the Fourth Proportional to 99,742,777.80, 149,708,645.10 and 61,479,025.80

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Solution

The fourth proportional to 99,742,777.80, 149,708,645.10 and 61,479,025.80 is: 92,276,772.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,742,777.80 : 149,708,645.10 = 61,479,025.80 : x
  2. Step 2: Convert to fraction form
    99,742,777.80/149,708,645.10 = 61,479,025.80/x
  3. Step 3: Cross multiply
    99,742,777.80x = 149,708,645.10 × 61,479,025.80
  4. Step 4: Simplify right side
    99,742,777.80x = 9,203,941,654,585,942
  5. Step 5: Solve for x
    x = 9,203,941,654,585,942/99,742,777.80
  6. Step 6: Final answer
    x = 92,276,772.89

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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.