Home / 40,490,160-55,876,420.80-22,155,445.50

Finding the Fourth Proportional to 40,490,160, 55,876,420.80 and 22,155,445.50

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Solution

The fourth proportional to 40,490,160, 55,876,420.80 and 22,155,445.50 is: 30,574,514.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,490,160 : 55,876,420.80 = 22,155,445.50 : x
  2. Step 2: Convert to fraction form
    40,490,160/55,876,420.80 = 22,155,445.50/x
  3. Step 3: Cross multiply
    40,490,160x = 55,876,420.80 × 22,155,445.50
  4. Step 4: Simplify right side
    40,490,160x = 1,237,966,995,769,466.25
  5. Step 5: Solve for x
    x = 1,237,966,995,769,466.25/40,490,160
  6. Step 6: Final answer
    x = 30,574,514.79

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1.5x scale

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.