Home / 137,857,825.40-206,788,881.36-40,823,347.28

Finding the Fourth Proportional to 137,857,825.40, 206,788,881.36 and 40,823,347.28

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Solution

The fourth proportional to 137,857,825.40, 206,788,881.36 and 40,823,347.28 is: 61,235,655.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,857,825.40 : 206,788,881.36 = 40,823,347.28 : x
  2. Step 2: Convert to fraction form
    137,857,825.40/206,788,881.36 = 40,823,347.28/x
  3. Step 3: Cross multiply
    137,857,825.40x = 206,788,881.36 × 40,823,347.28
  4. Step 4: Simplify right side
    137,857,825.40x = 8,441,814,317,402,000
  5. Step 5: Solve for x
    x = 8,441,814,317,402,000/137,857,825.40
  6. Step 6: Final answer
    x = 61,235,655.60

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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.