Home / 91,790,554.25-137,695,918.30-30,357,335.45

Finding the Fourth Proportional to 91,790,554.25, 137,695,918.30 and 30,357,335.45

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Solution

The fourth proportional to 91,790,554.25, 137,695,918.30 and 30,357,335.45 is: 45,539,339.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,790,554.25 : 137,695,918.30 = 30,357,335.45 : x
  2. Step 2: Convert to fraction form
    91,790,554.25/137,695,918.30 = 30,357,335.45/x
  3. Step 3: Cross multiply
    91,790,554.25x = 137,695,918.30 × 30,357,335.45
  4. Step 4: Simplify right side
    91,790,554.25x = 4,180,081,181,164,521.50
  5. Step 5: Solve for x
    x = 4,180,081,181,164,521.50/91,790,554.25
  6. Step 6: Final answer
    x = 45,539,339.16

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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.