Home / 163,559,603.10-245,131,007.85-86,919,347.10

Finding the Fourth Proportional to 163,559,603.10, 245,131,007.85 and 86,919,347.10

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Solution

The fourth proportional to 163,559,603.10, 245,131,007.85 and 86,919,347.10 is: 130,268,273.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,559,603.10 : 245,131,007.85 = 86,919,347.10 : x
  2. Step 2: Convert to fraction form
    163,559,603.10/245,131,007.85 = 86,919,347.10/x
  3. Step 3: Cross multiply
    163,559,603.10x = 245,131,007.85 × 86,919,347.10
  4. Step 4: Simplify right side
    163,559,603.10x = 21,306,627,156,286,972
  5. Step 5: Solve for x
    x = 21,306,627,156,286,972/163,559,603.10
  6. Step 6: Final answer
    x = 130,268,273.78

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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.