Home / 45,407,341.88-62,681,500.72-30,531,288.46

Finding the Fourth Proportional to 45,407,341.88, 62,681,500.72 and 30,531,288.46

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Solution

The fourth proportional to 45,407,341.88, 62,681,500.72 and 30,531,288.46 is: 42,146,201.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,407,341.88 : 62,681,500.72 = 30,531,288.46 : x
  2. Step 2: Convert to fraction form
    45,407,341.88/62,681,500.72 = 30,531,288.46/x
  3. Step 3: Cross multiply
    45,407,341.88x = 62,681,500.72 × 30,531,288.46
  4. Step 4: Simplify right side
    45,407,341.88x = 1,913,746,979,588,017.75
  5. Step 5: Solve for x
    x = 1,913,746,979,588,017.75/45,407,341.88
  6. Step 6: Final answer
    x = 42,146,201.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.