Home / 47,944,815.65-66,181,838.35-31,426,004.75

Finding the Fourth Proportional to 47,944,815.65, 66,181,838.35 and 31,426,004.75

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Solution

The fourth proportional to 47,944,815.65, 66,181,838.35 and 31,426,004.75 is: 43,379,680.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,944,815.65 : 66,181,838.35 = 31,426,004.75 : x
  2. Step 2: Convert to fraction form
    47,944,815.65/66,181,838.35 = 31,426,004.75/x
  3. Step 3: Cross multiply
    47,944,815.65x = 66,181,838.35 × 31,426,004.75
  4. Step 4: Simplify right side
    47,944,815.65x = 2,079,830,766,490,402
  5. Step 5: Solve for x
    x = 2,079,830,766,490,402/47,944,815.65
  6. Step 6: Final answer
    x = 43,379,680.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.