Home / 129,948,486.04-179,329,036.08-71,211,280.96

Finding the Fourth Proportional to 129,948,486.04, 179,329,036.08 and 71,211,280.96

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Solution

The fourth proportional to 129,948,486.04, 179,329,036.08 and 71,211,280.96 is: 98,271,636.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,948,486.04 : 179,329,036.08 = 71,211,280.96 : x
  2. Step 2: Convert to fraction form
    129,948,486.04/179,329,036.08 = 71,211,280.96/x
  3. Step 3: Cross multiply
    129,948,486.04x = 179,329,036.08 × 71,211,280.96
  4. Step 4: Simplify right side
    129,948,486.04x = 12,770,250,372,578,856
  5. Step 5: Solve for x
    x = 12,770,250,372,578,856/129,948,486.04
  6. Step 6: Final answer
    x = 98,271,636.41

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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.