Home / 70,590,995.61-97,417,939.41-39,230,366.15

Finding the Fourth Proportional to 70,590,995.61, 97,417,939.41 and 39,230,366.15

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Solution

The fourth proportional to 70,590,995.61, 97,417,939.41 and 39,230,366.15 is: 54,139,219.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,590,995.61 : 97,417,939.41 = 39,230,366.15 : x
  2. Step 2: Convert to fraction form
    70,590,995.61/97,417,939.41 = 39,230,366.15/x
  3. Step 3: Cross multiply
    70,590,995.61x = 97,417,939.41 × 39,230,366.15
  4. Step 4: Simplify right side
    70,590,995.61x = 3,821,741,432,145,725.50
  5. Step 5: Solve for x
    x = 3,821,741,432,145,725.50/70,590,995.61
  6. Step 6: Final answer
    x = 54,139,219.87

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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.