Home / 95,390,146.40-143,132,458.80-54,480,999.20

Finding the Fourth Proportional to 95,390,146.40, 143,132,458.80 and 54,480,999.20

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Solution

The fourth proportional to 95,390,146.40, 143,132,458.80 and 54,480,999.20 is: 81,748,478.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,390,146.40 : 143,132,458.80 = 54,480,999.20 : x
  2. Step 2: Convert to fraction form
    95,390,146.40/143,132,458.80 = 54,480,999.20/x
  3. Step 3: Cross multiply
    95,390,146.40x = 143,132,458.80 × 54,480,999.20
  4. Step 4: Simplify right side
    95,390,146.40x = 7,797,999,373,376,834
  5. Step 5: Solve for x
    x = 7,797,999,373,376,834/95,390,146.40
  6. Step 6: Final answer
    x = 81,748,478.93

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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.