Home / 75,097,315.32-112,693,357.98-31,966,448.28

Finding the Fourth Proportional to 75,097,315.32, 112,693,357.98 and 31,966,448.28

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Solution

The fourth proportional to 75,097,315.32, 112,693,357.98 and 31,966,448.28 is: 47,969,842.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,097,315.32 : 112,693,357.98 = 31,966,448.28 : x
  2. Step 2: Convert to fraction form
    75,097,315.32/112,693,357.98 = 31,966,448.28/x
  3. Step 3: Cross multiply
    75,097,315.32x = 112,693,357.98 × 31,966,448.28
  4. Step 4: Simplify right side
    75,097,315.32x = 3,602,406,399,367,195.50
  5. Step 5: Solve for x
    x = 3,602,406,399,367,195.50/75,097,315.32
  6. Step 6: Final answer
    x = 47,969,842.65

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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.