Home / 104,327,139.40-156,490,709.10-65,528,009.80

Finding the Fourth Proportional to 104,327,139.40, 156,490,709.10 and 65,528,009.80

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Solution

The fourth proportional to 104,327,139.40, 156,490,709.10 and 65,528,009.80 is: 98,292,014.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,327,139.40 : 156,490,709.10 = 65,528,009.80 : x
  2. Step 2: Convert to fraction form
    104,327,139.40/156,490,709.10 = 65,528,009.80/x
  3. Step 3: Cross multiply
    104,327,139.40x = 156,490,709.10 × 65,528,009.80
  4. Step 4: Simplify right side
    104,327,139.40x = 10,254,524,719,513,748
  5. Step 5: Solve for x
    x = 10,254,524,719,513,748/104,327,139.40
  6. Step 6: Final answer
    x = 98,292,014.70

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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.