Home / 61,202,530.80-91,803,796.20-47,331,920.70

Finding the Fourth Proportional to 61,202,530.80, 91,803,796.20 and 47,331,920.70

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Solution

The fourth proportional to 61,202,530.80, 91,803,796.20 and 47,331,920.70 is: 70,997,881.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,202,530.80 : 91,803,796.20 = 47,331,920.70 : x
  2. Step 2: Convert to fraction form
    61,202,530.80/91,803,796.20 = 47,331,920.70/x
  3. Step 3: Cross multiply
    61,202,530.80x = 91,803,796.20 × 47,331,920.70
  4. Step 4: Simplify right side
    61,202,530.80x = 4,345,250,001,697,362
  5. Step 5: Solve for x
    x = 4,345,250,001,697,362/61,202,530.80
  6. Step 6: Final answer
    x = 70,997,881.05

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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.