Home / 281,010,550.37-387,799,130.49-153,849,091.67

Finding the Fourth Proportional to 281,010,550.37, 387,799,130.49 and 153,849,091.67

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Solution

The fourth proportional to 281,010,550.37, 387,799,130.49 and 153,849,091.67 is: 212,314,249.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,010,550.37 : 387,799,130.49 = 153,849,091.67 : x
  2. Step 2: Convert to fraction form
    281,010,550.37/387,799,130.49 = 153,849,091.67/x
  3. Step 3: Cross multiply
    281,010,550.37x = 387,799,130.49 × 153,849,091.67
  4. Step 4: Simplify right side
    281,010,550.37x = 59,662,543,974,363,304
  5. Step 5: Solve for x
    x = 59,662,543,974,363,304/281,010,550.37
  6. Step 6: Final answer
    x = 212,314,249.04

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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.