Home / 102,563,403.40-153,845,105.10-30,759,819.40

Finding the Fourth Proportional to 102,563,403.40, 153,845,105.10 and 30,759,819.40

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Solution

The fourth proportional to 102,563,403.40, 153,845,105.10 and 30,759,819.40 is: 46,139,729.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,563,403.40 : 153,845,105.10 = 30,759,819.40 : x
  2. Step 2: Convert to fraction form
    102,563,403.40/153,845,105.10 = 30,759,819.40/x
  3. Step 3: Cross multiply
    102,563,403.40x = 153,845,105.10 × 30,759,819.40
  4. Step 4: Simplify right side
    102,563,403.40x = 4,732,247,648,450,019
  5. Step 5: Solve for x
    x = 4,732,247,648,450,019/102,563,403.40
  6. Step 6: Final answer
    x = 46,139,729.10

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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.