Home / 51,938,132.20-77,804,555.10-45,555,591.40

Finding the Fourth Proportional to 51,938,132.20, 77,804,555.10 and 45,555,591.40

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Solution

The fourth proportional to 51,938,132.20, 77,804,555.10 and 45,555,591.40 is: 68,243,357.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,938,132.20 : 77,804,555.10 = 45,555,591.40 : x
  2. Step 2: Convert to fraction form
    51,938,132.20/77,804,555.10 = 45,555,591.40/x
  3. Step 3: Cross multiply
    51,938,132.20x = 77,804,555.10 × 45,555,591.40
  4. Step 4: Simplify right side
    51,938,132.20x = 3,544,432,521,194,386
  5. Step 5: Solve for x
    x = 3,544,432,521,194,386/51,938,132.20
  6. Step 6: Final answer
    x = 68,243,357.45

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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.