Home / 410,111,208-615,168,407.97-99,218,325.12

Finding the Fourth Proportional to 410,111,208, 615,168,407.97 and 99,218,325.12

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Solution

The fourth proportional to 410,111,208, 615,168,407.97 and 99,218,325.12 is: 148,827,873.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,111,208 : 615,168,407.97 = 99,218,325.12 : x
  2. Step 2: Convert to fraction form
    410,111,208/615,168,407.97 = 99,218,325.12/x
  3. Step 3: Cross multiply
    410,111,208x = 615,168,407.97 × 99,218,325.12
  4. Step 4: Simplify right side
    410,111,208x = 61,035,979,105,520,264
  5. Step 5: Solve for x
    x = 61,035,979,105,520,264/410,111,208
  6. Step 6: Final answer
    x = 148,827,873.79

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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.