Home / 118,389,717.12-163,368,720-71,973,528.96

Finding the Fourth Proportional to 118,389,717.12, 163,368,720 and 71,973,528.96

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Solution

The fourth proportional to 118,389,717.12, 163,368,720 and 71,973,528.96 is: 99,317,944.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,389,717.12 : 163,368,720 = 71,973,528.96 : x
  2. Step 2: Convert to fraction form
    118,389,717.12/163,368,720 = 71,973,528.96/x
  3. Step 3: Cross multiply
    118,389,717.12x = 163,368,720 × 71,973,528.96
  4. Step 4: Simplify right side
    118,389,717.12x = 11,758,223,300,078,130
  5. Step 5: Solve for x
    x = 11,758,223,300,078,130/118,389,717.12
  6. Step 6: Final answer
    x = 99,317,944.04

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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.