Home / 85,536,037.80-128,304,056.70-62,861,221.80

Finding the Fourth Proportional to 85,536,037.80, 128,304,056.70 and 62,861,221.80

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Solution

The fourth proportional to 85,536,037.80, 128,304,056.70 and 62,861,221.80 is: 94,291,832.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,536,037.80 : 128,304,056.70 = 62,861,221.80 : x
  2. Step 2: Convert to fraction form
    85,536,037.80/128,304,056.70 = 62,861,221.80/x
  3. Step 3: Cross multiply
    85,536,037.80x = 128,304,056.70 × 62,861,221.80
  4. Step 4: Simplify right side
    85,536,037.80x = 8,065,349,766,058,476
  5. Step 5: Solve for x
    x = 8,065,349,766,058,476/85,536,037.80
  6. Step 6: Final answer
    x = 94,291,832.70

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1.5x scale

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.