Home / 310,041,492.20-465,062,238.30-155,073,296.60

Finding the Fourth Proportional to 310,041,492.20, 465,062,238.30 and 155,073,296.60

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Solution

The fourth proportional to 310,041,492.20, 465,062,238.30 and 155,073,296.60 is: 232,609,944.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,041,492.20 : 465,062,238.30 = 155,073,296.60 : x
  2. Step 2: Convert to fraction form
    310,041,492.20/465,062,238.30 = 155,073,296.60/x
  3. Step 3: Cross multiply
    310,041,492.20x = 465,062,238.30 × 155,073,296.60
  4. Step 4: Simplify right side
    310,041,492.20x = 72,118,734,417,355,776
  5. Step 5: Solve for x
    x = 72,118,734,417,355,776/310,041,492.20
  6. Step 6: Final answer
    x = 232,609,944.90

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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.