Home / 131,479,823.04-181,500,269.40-78,575,194.32

Finding the Fourth Proportional to 131,479,823.04, 181,500,269.40 and 78,575,194.32

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Solution

The fourth proportional to 131,479,823.04, 181,500,269.40 and 78,575,194.32 is: 108,468,498.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,479,823.04 : 181,500,269.40 = 78,575,194.32 : x
  2. Step 2: Convert to fraction form
    131,479,823.04/181,500,269.40 = 78,575,194.32/x
  3. Step 3: Cross multiply
    131,479,823.04x = 181,500,269.40 × 78,575,194.32
  4. Step 4: Simplify right side
    131,479,823.04x = 14,261,418,937,237,348
  5. Step 5: Solve for x
    x = 14,261,418,937,237,348/131,479,823.04
  6. Step 6: Final answer
    x = 108,468,498.11

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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.