Home / 74,681,765.43-111,958,752.51-28,656,663.30

Finding the Fourth Proportional to 74,681,765.43, 111,958,752.51 and 28,656,663.30

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Solution

The fourth proportional to 74,681,765.43, 111,958,752.51 and 28,656,663.30 is: 42,960,477.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,681,765.43 : 111,958,752.51 = 28,656,663.30 : x
  2. Step 2: Convert to fraction form
    74,681,765.43/111,958,752.51 = 28,656,663.30/x
  3. Step 3: Cross multiply
    74,681,765.43x = 111,958,752.51 × 28,656,663.30
  4. Step 4: Simplify right side
    74,681,765.43x = 3,208,364,274,167,100
  5. Step 5: Solve for x
    x = 3,208,364,274,167,100/74,681,765.43
  6. Step 6: Final answer
    x = 42,960,477.11

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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.