Home / 75,531,947.16-112,867,938.60-56,713,575.72

Finding the Fourth Proportional to 75,531,947.16, 112,867,938.60 and 56,713,575.72

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Solution

The fourth proportional to 75,531,947.16, 112,867,938.60 and 56,713,575.72 is: 84,747,509.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,531,947.16 : 112,867,938.60 = 56,713,575.72 : x
  2. Step 2: Convert to fraction form
    75,531,947.16/112,867,938.60 = 56,713,575.72/x
  3. Step 3: Cross multiply
    75,531,947.16x = 112,867,938.60 × 56,713,575.72
  4. Step 4: Simplify right side
    75,531,947.16x = 6,401,144,382,151,410
  5. Step 5: Solve for x
    x = 6,401,144,382,151,410/75,531,947.16
  6. Step 6: Final answer
    x = 84,747,509.14

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.