Home / 298,389,982.90-447,645,508.35-93,870,490.90

Finding the Fourth Proportional to 298,389,982.90, 447,645,508.35 and 93,870,490.90

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Solution

The fourth proportional to 298,389,982.90, 447,645,508.35 and 93,870,490.90 is: 140,824,779.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,389,982.90 : 447,645,508.35 = 93,870,490.90 : x
  2. Step 2: Convert to fraction form
    298,389,982.90/447,645,508.35 = 93,870,490.90/x
  3. Step 3: Cross multiply
    298,389,982.90x = 447,645,508.35 × 93,870,490.90
  4. Step 4: Simplify right side
    298,389,982.90x = 42,020,703,617,994,552
  5. Step 5: Solve for x
    x = 42,020,703,617,994,552/298,389,982.90
  6. Step 6: Final answer
    x = 140,824,779.74

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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.