Home / 139,700,038.80-209,550,058.20-137,432,557.20

Finding the Fourth Proportional to 139,700,038.80, 209,550,058.20 and 137,432,557.20

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Solution

The fourth proportional to 139,700,038.80, 209,550,058.20 and 137,432,557.20 is: 206,148,835.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,700,038.80 : 209,550,058.20 = 137,432,557.20 : x
  2. Step 2: Convert to fraction form
    139,700,038.80/209,550,058.20 = 137,432,557.20/x
  3. Step 3: Cross multiply
    139,700,038.80x = 209,550,058.20 × 137,432,557.20
  4. Step 4: Simplify right side
    139,700,038.80x = 28,799,000,359,834,824
  5. Step 5: Solve for x
    x = 28,799,000,359,834,824/139,700,038.80
  6. Step 6: Final answer
    x = 206,148,835.80

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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.