Home / 145,256,602.88-200,448,080.28-79,175,646.92

Finding the Fourth Proportional to 145,256,602.88, 200,448,080.28 and 79,175,646.92

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Solution

The fourth proportional to 145,256,602.88, 200,448,080.28 and 79,175,646.92 is: 109,259,105.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,256,602.88 : 200,448,080.28 = 79,175,646.92 : x
  2. Step 2: Convert to fraction form
    145,256,602.88/200,448,080.28 = 79,175,646.92/x
  3. Step 3: Cross multiply
    145,256,602.88x = 200,448,080.28 × 79,175,646.92
  4. Step 4: Simplify right side
    145,256,602.88x = 15,870,606,430,041,096
  5. Step 5: Solve for x
    x = 15,870,606,430,041,096/145,256,602.88
  6. Step 6: Final answer
    x = 109,259,105.03

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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.