Home / 124,256,887,942.43-171,478,736,290.51-72,109,581,166.65

Finding the Fourth Proportional to 124,256,887,942.43, 171,478,736,290.51 and 72,109,581,166.65

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Solution

The fourth proportional to 124,256,887,942.43, 171,478,736,290.51 and 72,109,581,166.65 is: 99,513,677,331.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,256,887,942.43 : 171,478,736,290.51 = 72,109,581,166.65 : x
  2. Step 2: Convert to fraction form
    124,256,887,942.43/171,478,736,290.51 = 72,109,581,166.65/x
  3. Step 3: Cross multiply
    124,256,887,942.43x = 171,478,736,290.51 × 72,109,581,166.65
  4. Step 4: Simplify right side
    124,256,887,942.43x = 12,365,259,852,894,758,240,256
  5. Step 5: Solve for x
    x = 12,365,259,852,894,758,240,256/124,256,887,942.43
  6. Step 6: Final answer
    x = 99,513,677,331.30

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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.