Home / 72,046,761.46-99,423,343.89-39,006,746.44

Finding the Fourth Proportional to 72,046,761.46, 99,423,343.89 and 39,006,746.44

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Solution

The fourth proportional to 72,046,761.46, 99,423,343.89 and 39,006,746.44 is: 53,828,667.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,046,761.46 : 99,423,343.89 = 39,006,746.44 : x
  2. Step 2: Convert to fraction form
    72,046,761.46/99,423,343.89 = 39,006,746.44/x
  3. Step 3: Cross multiply
    72,046,761.46x = 99,423,343.89 × 39,006,746.44
  4. Step 4: Simplify right side
    72,046,761.46x = 3,878,181,165,085,595
  5. Step 5: Solve for x
    x = 3,878,181,165,085,595/72,046,761.46
  6. Step 6: Final answer
    x = 53,828,667.47

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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.