Home / 54,708,972.72-75,490,986.76-31,190,543.34

Finding the Fourth Proportional to 54,708,972.72, 75,490,986.76 and 31,190,543.34

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Solution

The fourth proportional to 54,708,972.72, 75,490,986.76 and 31,190,543.34 is: 43,038,733.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,708,972.72 : 75,490,986.76 = 31,190,543.34 : x
  2. Step 2: Convert to fraction form
    54,708,972.72/75,490,986.76 = 31,190,543.34/x
  3. Step 3: Cross multiply
    54,708,972.72x = 75,490,986.76 × 31,190,543.34
  4. Step 4: Simplify right side
    54,708,972.72x = 2,354,604,894,317,146.50
  5. Step 5: Solve for x
    x = 2,354,604,894,317,146.50/54,708,972.72
  6. Step 6: Final answer
    x = 43,038,733.45

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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.