Home / 124,479,642.13-171,796,969.45-70,847,343.13

Finding the Fourth Proportional to 124,479,642.13, 171,796,969.45 and 70,847,343.13

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Solution

The fourth proportional to 124,479,642.13, 171,796,969.45 and 70,847,343.13 is: 97,777,906.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,479,642.13 : 171,796,969.45 = 70,847,343.13 : x
  2. Step 2: Convert to fraction form
    124,479,642.13/171,796,969.45 = 70,847,343.13/x
  3. Step 3: Cross multiply
    124,479,642.13x = 171,796,969.45 × 70,847,343.13
  4. Step 4: Simplify right side
    124,479,642.13x = 12,171,358,842,105,056
  5. Step 5: Solve for x
    x = 12,171,358,842,105,056/124,479,642.13
  6. Step 6: Final answer
    x = 97,777,906.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.