Home / 98,424,305.80-147,636,458.70-30,258,140.20

Finding the Fourth Proportional to 98,424,305.80, 147,636,458.70 and 30,258,140.20

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Solution

The fourth proportional to 98,424,305.80, 147,636,458.70 and 30,258,140.20 is: 45,387,210.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,424,305.80 : 147,636,458.70 = 30,258,140.20 : x
  2. Step 2: Convert to fraction form
    98,424,305.80/147,636,458.70 = 30,258,140.20/x
  3. Step 3: Cross multiply
    98,424,305.80x = 147,636,458.70 × 30,258,140.20
  4. Step 4: Simplify right side
    98,424,305.80x = 4,467,204,665,976,109.50
  5. Step 5: Solve for x
    x = 4,467,204,665,976,109.50/98,424,305.80
  6. Step 6: Final answer
    x = 45,387,210.30

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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.