Home / 78,893,095.47-118,366,215.30-49,713,047.97

Finding the Fourth Proportional to 78,893,095.47, 118,366,215.30 and 49,713,047.97

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Solution

The fourth proportional to 78,893,095.47, 118,366,215.30 and 49,713,047.97 is: 74,586,315.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,893,095.47 : 118,366,215.30 = 49,713,047.97 : x
  2. Step 2: Convert to fraction form
    78,893,095.47/118,366,215.30 = 49,713,047.97/x
  3. Step 3: Cross multiply
    78,893,095.47x = 118,366,215.30 × 49,713,047.97
  4. Step 4: Simplify right side
    78,893,095.47x = 5,884,345,339,236,248
  5. Step 5: Solve for x
    x = 5,884,345,339,236,248/78,893,095.47
  6. Step 6: Final answer
    x = 74,586,315.88

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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.