Home / 68,024,508,001.20-102,036,762,001.80-61,167,643,642.80

Finding the Fourth Proportional to 68,024,508,001.20, 102,036,762,001.80 and 61,167,643,642.80

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Solution

The fourth proportional to 68,024,508,001.20, 102,036,762,001.80 and 61,167,643,642.80 is: 91,751,465,464.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,024,508,001.20 : 102,036,762,001.80 = 61,167,643,642.80 : x
  2. Step 2: Convert to fraction form
    68,024,508,001.20/102,036,762,001.80 = 61,167,643,642.80/x
  3. Step 3: Cross multiply
    68,024,508,001.20x = 102,036,762,001.80 × 61,167,643,642.80
  4. Step 4: Simplify right side
    68,024,508,001.20x = 6,241,348,296,591,299,051,520
  5. Step 5: Solve for x
    x = 6,241,348,296,591,299,051,520/68,024,508,001.20
  6. Step 6: Final answer
    x = 91,751,465,464.20

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1.5x scale

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.