Home / 87,235,294.61-120,402,570.51-51,973,756.25

Finding the Fourth Proportional to 87,235,294.61, 120,402,570.51 and 51,973,756.25

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Solution

The fourth proportional to 87,235,294.61, 120,402,570.51 and 51,973,756.25 is: 71,734,426.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,235,294.61 : 120,402,570.51 = 51,973,756.25 : x
  2. Step 2: Convert to fraction form
    87,235,294.61/120,402,570.51 = 51,973,756.25/x
  3. Step 3: Cross multiply
    87,235,294.61x = 120,402,570.51 × 51,973,756.25
  4. Step 4: Simplify right side
    87,235,294.61x = 6,257,773,850,958,165
  5. Step 5: Solve for x
    x = 6,257,773,850,958,165/87,235,294.61
  6. Step 6: Final answer
    x = 71,734,426.74

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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.