Home / 78,645,666.76-117,886,654.40-44,051,350.84

Finding the Fourth Proportional to 78,645,666.76, 117,886,654.40 and 44,051,350.84

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Solution

The fourth proportional to 78,645,666.76, 117,886,654.40 and 44,051,350.84 is: 66,031,182.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,645,666.76 : 117,886,654.40 = 44,051,350.84 : x
  2. Step 2: Convert to fraction form
    78,645,666.76/117,886,654.40 = 44,051,350.84/x
  3. Step 3: Cross multiply
    78,645,666.76x = 117,886,654.40 × 44,051,350.84
  4. Step 4: Simplify right side
    78,645,666.76x = 5,193,066,371,813,256
  5. Step 5: Solve for x
    x = 5,193,066,371,813,256/78,645,666.76
  6. Step 6: Final answer
    x = 66,031,182.47

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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.