Home / 140,134,672.28-193,382,099.58-77,409,420.28

Finding the Fourth Proportional to 140,134,672.28, 193,382,099.58 and 77,409,420.28

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Solution

The fourth proportional to 140,134,672.28, 193,382,099.58 and 77,409,420.28 is: 106,822,929.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,134,672.28 : 193,382,099.58 = 77,409,420.28 : x
  2. Step 2: Convert to fraction form
    140,134,672.28/193,382,099.58 = 77,409,420.28/x
  3. Step 3: Cross multiply
    140,134,672.28x = 193,382,099.58 × 77,409,420.28
  4. Step 4: Simplify right side
    140,134,672.28x = 14,969,596,220,932,030
  5. Step 5: Solve for x
    x = 14,969,596,220,932,030/140,134,672.28
  6. Step 6: Final answer
    x = 106,822,929.52

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1.5x scale

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.