Home / 281,010,118.12-387,798,554.07-153,848,674.76

Finding the Fourth Proportional to 281,010,118.12, 387,798,554.07 and 153,848,674.76

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Solution

The fourth proportional to 281,010,118.12, 387,798,554.07 and 153,848,674.76 is: 212,313,684.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,010,118.12 : 387,798,554.07 = 153,848,674.76 : x
  2. Step 2: Convert to fraction form
    281,010,118.12/387,798,554.07 = 153,848,674.76/x
  3. Step 3: Cross multiply
    281,010,118.12x = 387,798,554.07 × 153,848,674.76
  4. Step 4: Simplify right side
    281,010,118.12x = 59,662,293,615,574,712
  5. Step 5: Solve for x
    x = 59,662,293,615,574,712/281,010,118.12
  6. Step 6: Final answer
    x = 212,313,684.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.