Home / 51,357,969.29-70,866,432.07-31,230,700.17

Finding the Fourth Proportional to 51,357,969.29, 70,866,432.07 and 31,230,700.17

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Solution

The fourth proportional to 51,357,969.29, 70,866,432.07 and 31,230,700.17 is: 43,093,765.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,357,969.29 : 70,866,432.07 = 31,230,700.17 : x
  2. Step 2: Convert to fraction form
    51,357,969.29/70,866,432.07 = 31,230,700.17/x
  3. Step 3: Cross multiply
    51,357,969.29x = 70,866,432.07 × 31,230,700.17
  4. Step 4: Simplify right side
    51,357,969.29x = 2,213,208,292,017,765.75
  5. Step 5: Solve for x
    x = 2,213,208,292,017,765.75/51,357,969.29
  6. Step 6: Final answer
    x = 43,093,765.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.