Home / 168,759,499.80-253,148,994.06-65,129,242.86

Finding the Fourth Proportional to 168,759,499.80, 253,148,994.06 and 65,129,242.86

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Solution

The fourth proportional to 168,759,499.80, 253,148,994.06 and 65,129,242.86 is: 97,697,624.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,759,499.80 : 253,148,994.06 = 65,129,242.86 : x
  2. Step 2: Convert to fraction form
    168,759,499.80/253,148,994.06 = 65,129,242.86/x
  3. Step 3: Cross multiply
    168,759,499.80x = 253,148,994.06 × 65,129,242.86
  4. Step 4: Simplify right side
    168,759,499.80x = 16,487,402,313,898,438
  5. Step 5: Solve for x
    x = 16,487,402,313,898,438/168,759,499.80
  6. Step 6: Final answer
    x = 97,697,624.92

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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.