Home / 72,834,370.56-100,510,242.16-39,793,908.64

Finding the Fourth Proportional to 72,834,370.56, 100,510,242.16 and 39,793,908.64

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Solution

The fourth proportional to 72,834,370.56, 100,510,242.16 and 39,793,908.64 is: 54,914,944.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,834,370.56 : 100,510,242.16 = 39,793,908.64 : x
  2. Step 2: Convert to fraction form
    72,834,370.56/100,510,242.16 = 39,793,908.64/x
  3. Step 3: Cross multiply
    72,834,370.56x = 100,510,242.16 × 39,793,908.64
  4. Step 4: Simplify right side
    72,834,370.56x = 3,999,695,393,899,316
  5. Step 5: Solve for x
    x = 3,999,695,393,899,316/72,834,370.56
  6. Step 6: Final answer
    x = 54,914,944.18

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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.