Home / 73,633,711,372.85-101,617,028,912.29-42,731,603,653.88

Finding the Fourth Proportional to 73,633,711,372.85, 101,617,028,912.29 and 42,731,603,653.88

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Solution

The fourth proportional to 73,633,711,372.85, 101,617,028,912.29 and 42,731,603,653.88 is: 58,971,068,047.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,633,711,372.85 : 101,617,028,912.29 = 42,731,603,653.88 : x
  2. Step 2: Convert to fraction form
    73,633,711,372.85/101,617,028,912.29 = 42,731,603,653.88/x
  3. Step 3: Cross multiply
    73,633,711,372.85x = 101,617,028,912.29 × 42,731,603,653.88
  4. Step 4: Simplify right side
    73,633,711,372.85x = 4,342,258,603,964,840,280,064
  5. Step 5: Solve for x
    x = 4,342,258,603,964,840,280,064/73,633,711,372.85
  6. Step 6: Final answer
    x = 58,971,068,047.59

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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.