Home / 75,017,031.02-112,545,746.21-38,605,580.54

Finding the Fourth Proportional to 75,017,031.02, 112,545,746.21 and 38,605,580.54

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Solution

The fourth proportional to 75,017,031.02, 112,545,746.21 and 38,605,580.54 is: 57,918,766.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,017,031.02 : 112,545,746.21 = 38,605,580.54 : x
  2. Step 2: Convert to fraction form
    75,017,031.02/112,545,746.21 = 38,605,580.54/x
  3. Step 3: Cross multiply
    75,017,031.02x = 112,545,746.21 × 38,605,580.54
  4. Step 4: Simplify right side
    75,017,031.02x = 4,344,893,869,744,554.50
  5. Step 5: Solve for x
    x = 4,344,893,869,744,554.50/75,017,031.02
  6. Step 6: Final answer
    x = 57,918,766.05

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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.