Home / 92,012,131.40-137,900,973.90-48,901,987.40

Finding the Fourth Proportional to 92,012,131.40, 137,900,973.90 and 48,901,987.40

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Solution

The fourth proportional to 92,012,131.40, 137,900,973.90 and 48,901,987.40 is: 73,290,680.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,012,131.40 : 137,900,973.90 = 48,901,987.40 : x
  2. Step 2: Convert to fraction form
    92,012,131.40/137,900,973.90 = 48,901,987.40/x
  3. Step 3: Cross multiply
    92,012,131.40x = 137,900,973.90 × 48,901,987.40
  4. Step 4: Simplify right side
    92,012,131.40x = 6,743,631,688,105,529
  5. Step 5: Solve for x
    x = 6,743,631,688,105,529/92,012,131.40
  6. Step 6: Final answer
    x = 73,290,680.10

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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.