Home / 71,830,641.33-99,126,284.74-38,790,888.62

Finding the Fourth Proportional to 71,830,641.33, 99,126,284.74 and 38,790,888.62

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Solution

The fourth proportional to 71,830,641.33, 99,126,284.74 and 38,790,888.62 is: 53,531,426.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,830,641.33 : 99,126,284.74 = 38,790,888.62 : x
  2. Step 2: Convert to fraction form
    71,830,641.33/99,126,284.74 = 38,790,888.62/x
  3. Step 3: Cross multiply
    71,830,641.33x = 99,126,284.74 × 38,790,888.62
  4. Step 4: Simplify right side
    71,830,641.33x = 3,845,196,670,071,137
  5. Step 5: Solve for x
    x = 3,845,196,670,071,137/71,830,641.33
  6. Step 6: Final answer
    x = 53,531,426.13

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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.