Home / 129,458,360.80-194,264,154.70-47,634,699.52

Finding the Fourth Proportional to 129,458,360.80, 194,264,154.70 and 47,634,699.52

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Solution

The fourth proportional to 129,458,360.80, 194,264,154.70 and 47,634,699.52 is: 71,480,239.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,458,360.80 : 194,264,154.70 = 47,634,699.52 : x
  2. Step 2: Convert to fraction form
    129,458,360.80/194,264,154.70 = 47,634,699.52/x
  3. Step 3: Cross multiply
    129,458,360.80x = 194,264,154.70 × 47,634,699.52
  4. Step 4: Simplify right side
    129,458,360.80x = 9,253,714,636,036,548
  5. Step 5: Solve for x
    x = 9,253,714,636,036,548/129,458,360.80
  6. Step 6: Final answer
    x = 71,480,239.51

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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.