Home / 423,280,244.40-634,922,507.13-132,122,960.64

Finding the Fourth Proportional to 423,280,244.40, 634,922,507.13 and 132,122,960.64

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Solution

The fourth proportional to 423,280,244.40, 634,922,507.13 and 132,122,960.64 is: 198,185,109.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,280,244.40 : 634,922,507.13 = 132,122,960.64 : x
  2. Step 2: Convert to fraction form
    423,280,244.40/634,922,507.13 = 132,122,960.64/x
  3. Step 3: Cross multiply
    423,280,244.40x = 634,922,507.13 × 132,122,960.64
  4. Step 4: Simplify right side
    423,280,244.40x = 83,887,841,418,987,104
  5. Step 5: Solve for x
    x = 83,887,841,418,987,104/423,280,244.40
  6. Step 6: Final answer
    x = 198,185,109.11

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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.