Home / 45,054,545.40-67,581,818.10-19,477,726.20

Finding the Fourth Proportional to 45,054,545.40, 67,581,818.10 and 19,477,726.20

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Solution

The fourth proportional to 45,054,545.40, 67,581,818.10 and 19,477,726.20 is: 29,216,589.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,054,545.40 : 67,581,818.10 = 19,477,726.20 : x
  2. Step 2: Convert to fraction form
    45,054,545.40/67,581,818.10 = 19,477,726.20/x
  3. Step 3: Cross multiply
    45,054,545.40x = 67,581,818.10 × 19,477,726.20
  4. Step 4: Simplify right side
    45,054,545.40x = 1,316,340,149,050,004
  5. Step 5: Solve for x
    x = 1,316,340,149,050,004/45,054,545.40
  6. Step 6: Final answer
    x = 29,216,589.30

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Double scale
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Similar ratio
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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.