Home / 51,793,380-77,683,869.12-40,290,340

Finding the Fourth Proportional to 51,793,380, 77,683,869.12 and 40,290,340

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Solution

The fourth proportional to 51,793,380, 77,683,869.12 and 40,290,340 is: 60,430,686.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,793,380 : 77,683,869.12 = 40,290,340 : x
  2. Step 2: Convert to fraction form
    51,793,380/77,683,869.12 = 40,290,340/x
  3. Step 3: Cross multiply
    51,793,380x = 77,683,869.12 × 40,290,340
  4. Step 4: Simplify right side
    51,793,380x = 3,129,909,499,360,301
  5. Step 5: Solve for x
    x = 3,129,909,499,360,301/51,793,380
  6. Step 6: Final answer
    x = 60,430,686.30

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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.