Home / 249,407,963.31-374,131,890.45-85,579,793.31

Finding the Fourth Proportional to 249,407,963.31, 374,131,890.45 and 85,579,793.31

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Solution

The fourth proportional to 249,407,963.31, 374,131,890.45 and 85,579,793.31 is: 128,376,533.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,407,963.31 : 374,131,890.45 = 85,579,793.31 : x
  2. Step 2: Convert to fraction form
    249,407,963.31/374,131,890.45 = 85,579,793.31/x
  3. Step 3: Cross multiply
    249,407,963.31x = 374,131,890.45 × 85,579,793.31
  4. Step 4: Simplify right side
    249,407,963.31x = 32,018,129,855,390,564
  5. Step 5: Solve for x
    x = 32,018,129,855,390,564/249,407,963.31
  6. Step 6: Final answer
    x = 128,376,533.89

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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.