Home / 281,247,986.34-421,881,547.13-133,619,356.35

Finding the Fourth Proportional to 281,247,986.34, 421,881,547.13 and 133,619,356.35

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Solution

The fourth proportional to 281,247,986.34, 421,881,547.13 and 133,619,356.35 is: 200,433,580.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,247,986.34 : 421,881,547.13 = 133,619,356.35 : x
  2. Step 2: Convert to fraction form
    281,247,986.34/421,881,547.13 = 133,619,356.35/x
  3. Step 3: Cross multiply
    281,247,986.34x = 421,881,547.13 × 133,619,356.35
  4. Step 4: Simplify right side
    281,247,986.34x = 56,371,540,783,285,768
  5. Step 5: Solve for x
    x = 56,371,540,783,285,768/281,247,986.34
  6. Step 6: Final answer
    x = 200,433,580.05

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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.