Home / 99,525,148.80-149,287,723.20-56,478,427.80

Finding the Fourth Proportional to 99,525,148.80, 149,287,723.20 and 56,478,427.80

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Solution

The fourth proportional to 99,525,148.80, 149,287,723.20 and 56,478,427.80 is: 84,717,641.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,525,148.80 : 149,287,723.20 = 56,478,427.80 : x
  2. Step 2: Convert to fraction form
    99,525,148.80/149,287,723.20 = 56,478,427.80/x
  3. Step 3: Cross multiply
    99,525,148.80x = 149,287,723.20 × 56,478,427.80
  4. Step 4: Simplify right side
    99,525,148.80x = 8,431,535,896,177,584
  5. Step 5: Solve for x
    x = 8,431,535,896,177,584/99,525,148.80
  6. Step 6: Final answer
    x = 84,717,641.70

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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.