Home / 114,150,987.40-170,943,045.90-91,476,171.40

Finding the Fourth Proportional to 114,150,987.40, 170,943,045.90 and 91,476,171.40

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Solution

The fourth proportional to 114,150,987.40, 170,943,045.90 and 91,476,171.40 is: 136,987,123.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,150,987.40 : 170,943,045.90 = 91,476,171.40 : x
  2. Step 2: Convert to fraction form
    114,150,987.40/170,943,045.90 = 91,476,171.40/x
  3. Step 3: Cross multiply
    114,150,987.40x = 170,943,045.90 × 91,476,171.40
  4. Step 4: Simplify right side
    114,150,987.40x = 15,637,215,366,386,468
  5. Step 5: Solve for x
    x = 15,637,215,366,386,468/114,150,987.40
  6. Step 6: Final answer
    x = 136,987,123.13

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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.