Home / 79,071,036.40-118,683,063.38-38,159,275.78

Finding the Fourth Proportional to 79,071,036.40, 118,683,063.38 and 38,159,275.78

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Solution

The fourth proportional to 79,071,036.40, 118,683,063.38 and 38,159,275.78 is: 57,275,836.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,071,036.40 : 118,683,063.38 = 38,159,275.78 : x
  2. Step 2: Convert to fraction form
    79,071,036.40/118,683,063.38 = 38,159,275.78/x
  3. Step 3: Cross multiply
    79,071,036.40x = 118,683,063.38 × 38,159,275.78
  4. Step 4: Simplify right side
    79,071,036.40x = 4,528,859,745,932,639
  5. Step 5: Solve for x
    x = 4,528,859,745,932,639/79,071,036.40
  6. Step 6: Final answer
    x = 57,275,836.41

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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.