Home / 130,661,907.66-180,317,149.59-71,127,043.23

Finding the Fourth Proportional to 130,661,907.66, 180,317,149.59 and 71,127,043.23

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Solution

The fourth proportional to 130,661,907.66, 180,317,149.59 and 71,127,043.23 is: 98,157,343.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,661,907.66 : 180,317,149.59 = 71,127,043.23 : x
  2. Step 2: Convert to fraction form
    130,661,907.66/180,317,149.59 = 71,127,043.23/x
  3. Step 3: Cross multiply
    130,661,907.66x = 180,317,149.59 × 71,127,043.23
  4. Step 4: Simplify right side
    130,661,907.66x = 12,825,425,693,998,308
  5. Step 5: Solve for x
    x = 12,825,425,693,998,308/130,661,907.66
  6. Step 6: Final answer
    x = 98,157,343.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.