Home / 157,606,109,195.07-217,496,640,432.51-85,348,298,658.06

Finding the Fourth Proportional to 157,606,109,195.07, 217,496,640,432.51 and 85,348,298,658.06

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Solution

The fourth proportional to 157,606,109,195.07, 217,496,640,432.51 and 85,348,298,658.06 is: 117,780,765,730.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,606,109,195.07 : 217,496,640,432.51 = 85,348,298,658.06 : x
  2. Step 2: Convert to fraction form
    157,606,109,195.07/217,496,640,432.51 = 85,348,298,658.06/x
  3. Step 3: Cross multiply
    157,606,109,195.07x = 217,496,640,432.51 × 85,348,298,658.06
  4. Step 4: Simplify right side
    157,606,109,195.07x = 18,562,968,224,758,551,805,952
  5. Step 5: Solve for x
    x = 18,562,968,224,758,551,805,952/157,606,109,195.07
  6. Step 6: Final answer
    x = 117,780,765,730.24

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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.