Home / 129,300,552.36-193,946,104.56-38,421,779.40

Finding the Fourth Proportional to 129,300,552.36, 193,946,104.56 and 38,421,779.40

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Solution

The fourth proportional to 129,300,552.36, 193,946,104.56 and 38,421,779.40 is: 57,631,265.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,300,552.36 : 193,946,104.56 = 38,421,779.40 : x
  2. Step 2: Convert to fraction form
    129,300,552.36/193,946,104.56 = 38,421,779.40/x
  3. Step 3: Cross multiply
    129,300,552.36x = 193,946,104.56 × 38,421,779.40
  4. Step 4: Simplify right side
    129,300,552.36x = 7,451,754,444,893,654
  5. Step 5: Solve for x
    x = 7,451,754,444,893,654/129,300,552.36
  6. Step 6: Final answer
    x = 57,631,265.36

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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.