Home / 228,929,645.80-343,276,503.90-85,248,519.40

Finding the Fourth Proportional to 228,929,645.80, 343,276,503.90 and 85,248,519.40

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Solution

The fourth proportional to 228,929,645.80, 343,276,503.90 and 85,248,519.40 is: 127,828,851.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,929,645.80 : 343,276,503.90 = 85,248,519.40 : x
  2. Step 2: Convert to fraction form
    228,929,645.80/343,276,503.90 = 85,248,519.40/x
  3. Step 3: Cross multiply
    228,929,645.80x = 343,276,503.90 × 85,248,519.40
  4. Step 4: Simplify right side
    228,929,645.80x = 29,263,813,702,283,324
  5. Step 5: Solve for x
    x = 29,263,813,702,283,324/228,929,645.80
  6. Step 6: Final answer
    x = 127,828,851.52

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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.