Home / 145,080,489.60-217,620,734.40-112,202,006.40

Finding the Fourth Proportional to 145,080,489.60, 217,620,734.40 and 112,202,006.40

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Solution

The fourth proportional to 145,080,489.60, 217,620,734.40 and 112,202,006.40 is: 168,303,009.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,080,489.60 : 217,620,734.40 = 112,202,006.40 : x
  2. Step 2: Convert to fraction form
    145,080,489.60/217,620,734.40 = 112,202,006.40/x
  3. Step 3: Cross multiply
    145,080,489.60x = 217,620,734.40 × 112,202,006.40
  4. Step 4: Simplify right side
    145,080,489.60x = 24,417,483,033,921,504
  5. Step 5: Solve for x
    x = 24,417,483,033,921,504/145,080,489.60
  6. Step 6: Final answer
    x = 168,303,009.60

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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.