Home / 132,815,426.74-198,814,531.34-86,657,907.22

Finding the Fourth Proportional to 132,815,426.74, 198,814,531.34 and 86,657,907.22

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Solution

The fourth proportional to 132,815,426.74, 198,814,531.34 and 86,657,907.22 is: 129,720,256.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,815,426.74 : 198,814,531.34 = 86,657,907.22 : x
  2. Step 2: Convert to fraction form
    132,815,426.74/198,814,531.34 = 86,657,907.22/x
  3. Step 3: Cross multiply
    132,815,426.74x = 198,814,531.34 × 86,657,907.22
  4. Step 4: Simplify right side
    132,815,426.74x = 17,228,851,210,849,502
  5. Step 5: Solve for x
    x = 17,228,851,210,849,502/132,815,426.74
  6. Step 6: Final answer
    x = 129,720,256.40

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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.