Home / 309,233,970.84-426,743,153.82-170,007,101.40

Finding the Fourth Proportional to 309,233,970.84, 426,743,153.82 and 170,007,101.40

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Solution

The fourth proportional to 309,233,970.84, 426,743,153.82 and 170,007,101.40 is: 234,609,950.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,233,970.84 : 426,743,153.82 = 170,007,101.40 : x
  2. Step 2: Convert to fraction form
    309,233,970.84/426,743,153.82 = 170,007,101.40/x
  3. Step 3: Cross multiply
    309,233,970.84x = 426,743,153.82 × 170,007,101.40
  4. Step 4: Simplify right side
    309,233,970.84x = 72,549,366,623,232,544
  5. Step 5: Solve for x
    x = 72,549,366,623,232,544/309,233,970.84
  6. Step 6: Final answer
    x = 234,609,950.60

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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.