Home / 298,390,010.40-447,645,549.60-93,870,518.40

Finding the Fourth Proportional to 298,390,010.40, 447,645,549.60 and 93,870,518.40

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Solution

The fourth proportional to 298,390,010.40, 447,645,549.60 and 93,870,518.40 is: 140,824,820.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,390,010.40 : 447,645,549.60 = 93,870,518.40 : x
  2. Step 2: Convert to fraction form
    298,390,010.40/447,645,549.60 = 93,870,518.40/x
  3. Step 3: Cross multiply
    298,390,010.40x = 447,645,549.60 × 93,870,518.40
  4. Step 4: Simplify right side
    298,390,010.40x = 42,020,719,800,404,920
  5. Step 5: Solve for x
    x = 42,020,719,800,404,920/298,390,010.40
  6. Step 6: Final answer
    x = 140,824,820.99

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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.