Home / 190,176,543.54-285,218,902.53-79,452,386.10

Finding the Fourth Proportional to 190,176,543.54, 285,218,902.53 and 79,452,386.10

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Solution

The fourth proportional to 190,176,543.54, 285,218,902.53 and 79,452,386.10 is: 119,159,397.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,176,543.54 : 285,218,902.53 = 79,452,386.10 : x
  2. Step 2: Convert to fraction form
    190,176,543.54/285,218,902.53 = 79,452,386.10/x
  3. Step 3: Cross multiply
    190,176,543.54x = 285,218,902.53 × 79,452,386.10
  4. Step 4: Simplify right side
    190,176,543.54x = 22,661,322,366,831,824
  5. Step 5: Solve for x
    x = 22,661,322,366,831,824/190,176,543.54
  6. Step 6: Final answer
    x = 119,159,397.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.