Home / 145,634,706.88-200,982,005.12-83,755,094.56

Finding the Fourth Proportional to 145,634,706.88, 200,982,005.12 and 83,755,094.56

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Solution

The fourth proportional to 145,634,706.88, 200,982,005.12 and 83,755,094.56 is: 115,585,544.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,634,706.88 : 200,982,005.12 = 83,755,094.56 : x
  2. Step 2: Convert to fraction form
    145,634,706.88/200,982,005.12 = 83,755,094.56/x
  3. Step 3: Cross multiply
    145,634,706.88x = 200,982,005.12 × 83,755,094.56
  4. Step 4: Simplify right side
    145,634,706.88x = 16,833,266,843,684,006
  5. Step 5: Solve for x
    x = 16,833,266,843,684,006/145,634,706.88
  6. Step 6: Final answer
    x = 115,585,544.16

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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.