Home / 168,496,691.40-252,773,030.70-66,264,064.20

Finding the Fourth Proportional to 168,496,691.40, 252,773,030.70 and 66,264,064.20

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Solution

The fourth proportional to 168,496,691.40, 252,773,030.70 and 66,264,064.20 is: 99,407,105.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,496,691.40 : 252,773,030.70 = 66,264,064.20 : x
  2. Step 2: Convert to fraction form
    168,496,691.40/252,773,030.70 = 66,264,064.20/x
  3. Step 3: Cross multiply
    168,496,691.40x = 252,773,030.70 × 66,264,064.20
  4. Step 4: Simplify right side
    168,496,691.40x = 16,749,768,334,333,370
  5. Step 5: Solve for x
    x = 16,749,768,334,333,370/168,496,691.40
  6. Step 6: Final answer
    x = 99,407,105.24

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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.