Home / 112,795,818.24-155,709,232.56-71,041,249.80

Finding the Fourth Proportional to 112,795,818.24, 155,709,232.56 and 71,041,249.80

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Solution

The fourth proportional to 112,795,818.24, 155,709,232.56 and 71,041,249.80 is: 98,069,047.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,795,818.24 : 155,709,232.56 = 71,041,249.80 : x
  2. Step 2: Convert to fraction form
    112,795,818.24/155,709,232.56 = 71,041,249.80/x
  3. Step 3: Cross multiply
    112,795,818.24x = 155,709,232.56 × 71,041,249.80
  4. Step 4: Simplify right side
    112,795,818.24x = 11,061,778,486,461,254
  5. Step 5: Solve for x
    x = 11,061,778,486,461,254/112,795,818.24
  6. Step 6: Final answer
    x = 98,069,047.76

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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.