Home / 134,872,078.40-202,308,117.60-100,859,854.40

Finding the Fourth Proportional to 134,872,078.40, 202,308,117.60 and 100,859,854.40

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Solution

The fourth proportional to 134,872,078.40, 202,308,117.60 and 100,859,854.40 is: 151,289,781.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,872,078.40 : 202,308,117.60 = 100,859,854.40 : x
  2. Step 2: Convert to fraction form
    134,872,078.40/202,308,117.60 = 100,859,854.40/x
  3. Step 3: Cross multiply
    134,872,078.40x = 202,308,117.60 × 100,859,854.40
  4. Step 4: Simplify right side
    134,872,078.40x = 20,404,767,285,074,080
  5. Step 5: Solve for x
    x = 20,404,767,285,074,080/134,872,078.40
  6. Step 6: Final answer
    x = 151,289,781.60

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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.