Home / 249,113,332.40-373,669,998.60-85,296,644.15

Finding the Fourth Proportional to 249,113,332.40, 373,669,998.60 and 85,296,644.15

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Solution

The fourth proportional to 249,113,332.40, 373,669,998.60 and 85,296,644.15 is: 127,944,966.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,113,332.40 : 373,669,998.60 = 85,296,644.15 : x
  2. Step 2: Convert to fraction form
    249,113,332.40/373,669,998.60 = 85,296,644.15/x
  3. Step 3: Cross multiply
    249,113,332.40x = 373,669,998.60 × 85,296,644.15
  4. Step 4: Simplify right side
    249,113,332.40x = 31,872,796,900,115,204
  5. Step 5: Solve for x
    x = 31,872,796,900,115,204/249,113,332.40
  6. Step 6: Final answer
    x = 127,944,966.23

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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.