Home / 157,117,879.60-235,662,278.01-74,100,596.74

Finding the Fourth Proportional to 157,117,879.60, 235,662,278.01 and 74,100,596.74

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Solution

The fourth proportional to 157,117,879.60, 235,662,278.01 and 74,100,596.74 is: 111,144,037.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,117,879.60 : 235,662,278.01 = 74,100,596.74 : x
  2. Step 2: Convert to fraction form
    157,117,879.60/235,662,278.01 = 74,100,596.74/x
  3. Step 3: Cross multiply
    157,117,879.60x = 235,662,278.01 × 74,100,596.74
  4. Step 4: Simplify right side
    157,117,879.60x = 17,462,715,429,648,778
  5. Step 5: Solve for x
    x = 17,462,715,429,648,778/157,117,879.60
  6. Step 6: Final answer
    x = 111,144,037.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.