Home / 140,918,873.85-211,309,155.41-57,905,587.80

Finding the Fourth Proportional to 140,918,873.85, 211,309,155.41 and 57,905,587.80

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Solution

The fourth proportional to 140,918,873.85, 211,309,155.41 and 57,905,587.80 is: 86,829,964.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,918,873.85 : 211,309,155.41 = 57,905,587.80 : x
  2. Step 2: Convert to fraction form
    140,918,873.85/211,309,155.41 = 57,905,587.80/x
  3. Step 3: Cross multiply
    140,918,873.85x = 211,309,155.41 × 57,905,587.80
  4. Step 4: Simplify right side
    140,918,873.85x = 12,235,980,851,248,072
  5. Step 5: Solve for x
    x = 12,235,980,851,248,072/140,918,873.85
  6. Step 6: Final answer
    x = 86,829,964.77

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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.