Home / 112,342,779.05-155,022,157.17-70,513,473.47

Finding the Fourth Proportional to 112,342,779.05, 155,022,157.17 and 70,513,473.47

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Solution

The fourth proportional to 112,342,779.05, 155,022,157.17 and 70,513,473.47 is: 97,301,765.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,342,779.05 : 155,022,157.17 = 70,513,473.47 : x
  2. Step 2: Convert to fraction form
    112,342,779.05/155,022,157.17 = 70,513,473.47/x
  3. Step 3: Cross multiply
    112,342,779.05x = 155,022,157.17 × 70,513,473.47
  4. Step 4: Simplify right side
    112,342,779.05x = 10,931,150,766,093,854
  5. Step 5: Solve for x
    x = 10,931,150,766,093,854/112,342,779.05
  6. Step 6: Final answer
    x = 97,301,765.71

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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.