Home / 66,101,613.60-99,168,166.80-31,994,911.20

Finding the Fourth Proportional to 66,101,613.60, 99,168,166.80 and 31,994,911.20

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Solution

The fourth proportional to 66,101,613.60, 99,168,166.80 and 31,994,911.20 is: 47,999,988.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,101,613.60 : 99,168,166.80 = 31,994,911.20 : x
  2. Step 2: Convert to fraction form
    66,101,613.60/99,168,166.80 = 31,994,911.20/x
  3. Step 3: Cross multiply
    66,101,613.60x = 99,168,166.80 × 31,994,911.20
  4. Step 4: Simplify right side
    66,101,613.60x = 3,172,876,690,632,788
  5. Step 5: Solve for x
    x = 3,172,876,690,632,788/66,101,613.60
  6. Step 6: Final answer
    x = 47,999,988.47

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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.