Home / 410,111,217.36-615,168,422-99,218,334.46

Finding the Fourth Proportional to 410,111,217.36, 615,168,422 and 99,218,334.46

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Solution

The fourth proportional to 410,111,217.36, 615,168,422 and 99,218,334.46 is: 148,827,887.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,111,217.36 : 615,168,422 = 99,218,334.46 : x
  2. Step 2: Convert to fraction form
    410,111,217.36/615,168,422 = 99,218,334.46/x
  3. Step 3: Cross multiply
    410,111,217.36x = 615,168,422 × 99,218,334.46
  4. Step 4: Simplify right side
    410,111,217.36x = 61,035,986,243,226,416
  5. Step 5: Solve for x
    x = 61,035,986,243,226,416/410,111,217.36
  6. Step 6: Final answer
    x = 148,827,887.80

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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.