Home / 100,136,655.16-138,144,564.54-60,422,033.56

Finding the Fourth Proportional to 100,136,655.16, 138,144,564.54 and 60,422,033.56

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Solution

The fourth proportional to 100,136,655.16, 138,144,564.54 and 60,422,033.56 is: 83,355,845.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,136,655.16 : 138,144,564.54 = 60,422,033.56 : x
  2. Step 2: Convert to fraction form
    100,136,655.16/138,144,564.54 = 60,422,033.56/x
  3. Step 3: Cross multiply
    100,136,655.16x = 138,144,564.54 × 60,422,033.56
  4. Step 4: Simplify right side
    100,136,655.16x = 8,346,975,514,767,466
  5. Step 5: Solve for x
    x = 8,346,975,514,767,466/100,136,655.16
  6. Step 6: Final answer
    x = 83,355,845.08

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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.