Home / 72,756,437.70-109,134,656.55-34,492,685.70

Finding the Fourth Proportional to 72,756,437.70, 109,134,656.55 and 34,492,685.70

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Solution

The fourth proportional to 72,756,437.70, 109,134,656.55 and 34,492,685.70 is: 51,739,028.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,756,437.70 : 109,134,656.55 = 34,492,685.70 : x
  2. Step 2: Convert to fraction form
    72,756,437.70/109,134,656.55 = 34,492,685.70/x
  3. Step 3: Cross multiply
    72,756,437.70x = 109,134,656.55 × 34,492,685.70
  4. Step 4: Simplify right side
    72,756,437.70x = 3,764,347,407,356,596.50
  5. Step 5: Solve for x
    x = 3,764,347,407,356,596.50/72,756,437.70
  6. Step 6: Final answer
    x = 51,739,028.55

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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.