Home / 39,929,521.20-59,894,281.80-19,774,129.20

Finding the Fourth Proportional to 39,929,521.20, 59,894,281.80 and 19,774,129.20

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Solution

The fourth proportional to 39,929,521.20, 59,894,281.80 and 19,774,129.20 is: 29,661,193.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,929,521.20 : 59,894,281.80 = 19,774,129.20 : x
  2. Step 2: Convert to fraction form
    39,929,521.20/59,894,281.80 = 19,774,129.20/x
  3. Step 3: Cross multiply
    39,929,521.20x = 59,894,281.80 × 19,774,129.20
  4. Step 4: Simplify right side
    39,929,521.20x = 1,184,357,266,654,408.50
  5. Step 5: Solve for x
    x = 1,184,357,266,654,408.50/39,929,521.20
  6. Step 6: Final answer
    x = 29,661,193.80

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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.