Home / 51,840,404.80-77,760,607.20-31,433,070.40

Finding the Fourth Proportional to 51,840,404.80, 77,760,607.20 and 31,433,070.40

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Solution

The fourth proportional to 51,840,404.80, 77,760,607.20 and 31,433,070.40 is: 47,149,605.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,840,404.80 : 77,760,607.20 = 31,433,070.40 : x
  2. Step 2: Convert to fraction form
    51,840,404.80/77,760,607.20 = 31,433,070.40/x
  3. Step 3: Cross multiply
    51,840,404.80x = 77,760,607.20 × 31,433,070.40
  4. Step 4: Simplify right side
    51,840,404.80x = 2,444,254,640,464,347
  5. Step 5: Solve for x
    x = 2,444,254,640,464,347/51,840,404.80
  6. Step 6: Final answer
    x = 47,149,605.60

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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.