Home / 187,101,139.80-280,226,556.90-118,226,386.20

Finding the Fourth Proportional to 187,101,139.80, 280,226,556.90 and 118,226,386.20

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Solution

The fourth proportional to 187,101,139.80, 280,226,556.90 and 118,226,386.20 is: 177,070,931.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,101,139.80 : 280,226,556.90 = 118,226,386.20 : x
  2. Step 2: Convert to fraction form
    187,101,139.80/280,226,556.90 = 118,226,386.20/x
  3. Step 3: Cross multiply
    187,101,139.80x = 280,226,556.90 × 118,226,386.20
  4. Step 4: Simplify right side
    187,101,139.80x = 33,130,173,139,555,672
  5. Step 5: Solve for x
    x = 33,130,173,139,555,672/187,101,139.80
  6. Step 6: Final answer
    x = 177,070,931.66

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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.