Home / 187,020,015.70-280,556,595.60-57,614,132.20

Finding the Fourth Proportional to 187,020,015.70, 280,556,595.60 and 57,614,132.20

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Solution

The fourth proportional to 187,020,015.70, 280,556,595.60 and 57,614,132.20 is: 86,429,384.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,020,015.70 : 280,556,595.60 = 57,614,132.20 : x
  2. Step 2: Convert to fraction form
    187,020,015.70/280,556,595.60 = 57,614,132.20/x
  3. Step 3: Cross multiply
    187,020,015.70x = 280,556,595.60 × 57,614,132.20
  4. Step 4: Simplify right side
    187,020,015.70x = 16,164,024,788,480,340
  5. Step 5: Solve for x
    x = 16,164,024,788,480,340/187,020,015.70
  6. Step 6: Final answer
    x = 86,429,384.19

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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.