Home / 71,980,521.89-99,344,998.06-44,118,730.35

Finding the Fourth Proportional to 71,980,521.89, 99,344,998.06 and 44,118,730.35

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Solution

The fourth proportional to 71,980,521.89, 99,344,998.06 and 44,118,730.35 is: 60,891,128.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,980,521.89 : 99,344,998.06 = 44,118,730.35 : x
  2. Step 2: Convert to fraction form
    71,980,521.89/99,344,998.06 = 44,118,730.35/x
  3. Step 3: Cross multiply
    71,980,521.89x = 99,344,998.06 × 44,118,730.35
  4. Step 4: Simplify right side
    71,980,521.89x = 4,382,975,180,920,116.50
  5. Step 5: Solve for x
    x = 4,382,975,180,920,116.50/71,980,521.89
  6. Step 6: Final answer
    x = 60,891,128.13

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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.