Home / 157,117,939.10-235,662,367.26-74,100,656.24

Finding the Fourth Proportional to 157,117,939.10, 235,662,367.26 and 74,100,656.24

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Solution

The fourth proportional to 157,117,939.10, 235,662,367.26 and 74,100,656.24 is: 111,144,126.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,117,939.10 : 235,662,367.26 = 74,100,656.24 : x
  2. Step 2: Convert to fraction form
    157,117,939.10/235,662,367.26 = 74,100,656.24/x
  3. Step 3: Cross multiply
    157,117,939.10x = 235,662,367.26 × 74,100,656.24
  4. Step 4: Simplify right side
    157,117,939.10x = 17,462,736,065,037,888
  5. Step 5: Solve for x
    x = 17,462,736,065,037,888/157,117,939.10
  6. Step 6: Final answer
    x = 111,144,126.29

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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.