Home / 75,349,969.20-113,024,953.80-74,074,510.80

Finding the Fourth Proportional to 75,349,969.20, 113,024,953.80 and 74,074,510.80

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Solution

The fourth proportional to 75,349,969.20, 113,024,953.80 and 74,074,510.80 is: 111,111,766.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,349,969.20 : 113,024,953.80 = 74,074,510.80 : x
  2. Step 2: Convert to fraction form
    75,349,969.20/113,024,953.80 = 74,074,510.80/x
  3. Step 3: Cross multiply
    75,349,969.20x = 113,024,953.80 × 74,074,510.80
  4. Step 4: Simplify right side
    75,349,969.20x = 8,372,268,160,927,600
  5. Step 5: Solve for x
    x = 8,372,268,160,927,600/75,349,969.20
  6. Step 6: Final answer
    x = 111,111,766.20

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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.