Home / 56,271,222.32-77,652,618.60-31,154,450.72

Finding the Fourth Proportional to 56,271,222.32, 77,652,618.60 and 31,154,450.72

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Solution

The fourth proportional to 56,271,222.32, 77,652,618.60 and 31,154,450.72 is: 42,992,218.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,271,222.32 : 77,652,618.60 = 31,154,450.72 : x
  2. Step 2: Convert to fraction form
    56,271,222.32/77,652,618.60 = 31,154,450.72/x
  3. Step 3: Cross multiply
    56,271,222.32x = 77,652,618.60 × 31,154,450.72
  4. Step 4: Simplify right side
    56,271,222.32x = 2,419,224,679,452,655
  5. Step 5: Solve for x
    x = 2,419,224,679,452,655/56,271,222.32
  6. Step 6: Final answer
    x = 42,992,218.40

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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.