Home / 42,408,041.80-63,612,062.70-28,971,113.80

Finding the Fourth Proportional to 42,408,041.80, 63,612,062.70 and 28,971,113.80

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Solution

The fourth proportional to 42,408,041.80, 63,612,062.70 and 28,971,113.80 is: 43,456,670.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,408,041.80 : 63,612,062.70 = 28,971,113.80 : x
  2. Step 2: Convert to fraction form
    42,408,041.80/63,612,062.70 = 28,971,113.80/x
  3. Step 3: Cross multiply
    42,408,041.80x = 63,612,062.70 × 28,971,113.80
  4. Step 4: Simplify right side
    42,408,041.80x = 1,842,912,307,534,435.50
  5. Step 5: Solve for x
    x = 1,842,912,307,534,435.50/42,408,041.80
  6. Step 6: Final answer
    x = 43,456,670.70

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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.