Home / 268,226,403.20-402,020,740.20-240,804,047.60

Finding the Fourth Proportional to 268,226,403.20, 402,020,740.20 and 240,804,047.60

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Solution

The fourth proportional to 268,226,403.20, 402,020,740.20 and 240,804,047.60 is: 360,919,806.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,226,403.20 : 402,020,740.20 = 240,804,047.60 : x
  2. Step 2: Convert to fraction form
    268,226,403.20/402,020,740.20 = 240,804,047.60/x
  3. Step 3: Cross multiply
    268,226,403.20x = 402,020,740.20 × 240,804,047.60
  4. Step 4: Simplify right side
    268,226,403.20x = 96,808,221,459,308,032
  5. Step 5: Solve for x
    x = 96,808,221,459,308,032/268,226,403.20
  6. Step 6: Final answer
    x = 360,919,806.19

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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.