Home / 145,479,561.60-218,219,342.40-107,215,809.60

Finding the Fourth Proportional to 145,479,561.60, 218,219,342.40 and 107,215,809.60

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Solution

The fourth proportional to 145,479,561.60, 218,219,342.40 and 107,215,809.60 is: 160,823,714.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,479,561.60 : 218,219,342.40 = 107,215,809.60 : x
  2. Step 2: Convert to fraction form
    145,479,561.60/218,219,342.40 = 107,215,809.60/x
  3. Step 3: Cross multiply
    145,479,561.60x = 218,219,342.40 × 107,215,809.60
  4. Step 4: Simplify right side
    145,479,561.60x = 23,396,563,465,795,608
  5. Step 5: Solve for x
    x = 23,396,563,465,795,608/145,479,561.60
  6. Step 6: Final answer
    x = 160,823,714.40

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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.