Home / 291,632,941.50-402,263,828.19-187,045,352.70

Finding the Fourth Proportional to 291,632,941.50, 402,263,828.19 and 187,045,352.70

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Solution

The fourth proportional to 291,632,941.50, 402,263,828.19 and 187,045,352.70 is: 258,000,962.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,632,941.50 : 402,263,828.19 = 187,045,352.70 : x
  2. Step 2: Convert to fraction form
    291,632,941.50/402,263,828.19 = 187,045,352.70/x
  3. Step 3: Cross multiply
    291,632,941.50x = 402,263,828.19 × 187,045,352.70
  4. Step 4: Simplify right side
    291,632,941.50x = 75,241,579,622,250,752
  5. Step 5: Solve for x
    x = 75,241,579,622,250,752/291,632,941.50
  6. Step 6: Final answer
    x = 258,000,962.56

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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.