Home / 105,528,015.40-158,292,023.10-65,217,231.40

Finding the Fourth Proportional to 105,528,015.40, 158,292,023.10 and 65,217,231.40

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Solution

The fourth proportional to 105,528,015.40, 158,292,023.10 and 65,217,231.40 is: 97,825,847.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,528,015.40 : 158,292,023.10 = 65,217,231.40 : x
  2. Step 2: Convert to fraction form
    105,528,015.40/158,292,023.10 = 65,217,231.40/x
  3. Step 3: Cross multiply
    105,528,015.40x = 158,292,023.10 × 65,217,231.40
  4. Step 4: Simplify right side
    105,528,015.40x = 10,323,367,499,286,844
  5. Step 5: Solve for x
    x = 10,323,367,499,286,844/105,528,015.40
  6. Step 6: Final answer
    x = 97,825,847.10

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1.5x scale

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.