Home / 258,581,019.16-356,849,342.39-141,113,915.64

Finding the Fourth Proportional to 258,581,019.16, 356,849,342.39 and 141,113,915.64

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Solution

The fourth proportional to 258,581,019.16, 356,849,342.39 and 141,113,915.64 is: 194,741,316.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,581,019.16 : 356,849,342.39 = 141,113,915.64 : x
  2. Step 2: Convert to fraction form
    258,581,019.16/356,849,342.39 = 141,113,915.64/x
  3. Step 3: Cross multiply
    258,581,019.16x = 356,849,342.39 × 141,113,915.64
  4. Step 4: Simplify right side
    258,581,019.16x = 50,356,407,997,770,248
  5. Step 5: Solve for x
    x = 50,356,407,997,770,248/258,581,019.16
  6. Step 6: Final answer
    x = 194,741,316.13

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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.