Home / 99,660,769.20-149,491,153.80-65,223,392.40

Finding the Fourth Proportional to 99,660,769.20, 149,491,153.80 and 65,223,392.40

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Solution

The fourth proportional to 99,660,769.20, 149,491,153.80 and 65,223,392.40 is: 97,835,088.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,660,769.20 : 149,491,153.80 = 65,223,392.40 : x
  2. Step 2: Convert to fraction form
    99,660,769.20/149,491,153.80 = 65,223,392.40/x
  3. Step 3: Cross multiply
    99,660,769.20x = 149,491,153.80 × 65,223,392.40
  4. Step 4: Simplify right side
    99,660,769.20x = 9,750,320,184,626,152
  5. Step 5: Solve for x
    x = 9,750,320,184,626,152/99,660,769.20
  6. Step 6: Final answer
    x = 97,835,088.60

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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.