Home / 70,985,803.32-97,960,474.08-38,390,755.32

Finding the Fourth Proportional to 70,985,803.32, 97,960,474.08 and 38,390,755.32

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Solution

The fourth proportional to 70,985,803.32, 97,960,474.08 and 38,390,755.32 is: 52,979,277.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,985,803.32 : 97,960,474.08 = 38,390,755.32 : x
  2. Step 2: Convert to fraction form
    70,985,803.32/97,960,474.08 = 38,390,755.32/x
  3. Step 3: Cross multiply
    70,985,803.32x = 97,960,474.08 × 38,390,755.32
  4. Step 4: Simplify right side
    70,985,803.32x = 3,760,776,591,436,482
  5. Step 5: Solve for x
    x = 3,760,776,591,436,482/70,985,803.32
  6. Step 6: Final answer
    x = 52,979,277.76

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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.