Home / 141,422,549.84-212,071,970.24-71,349,655.12

Finding the Fourth Proportional to 141,422,549.84, 212,071,970.24 and 71,349,655.12

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Solution

The fourth proportional to 141,422,549.84, 212,071,970.24 and 71,349,655.12 is: 106,993,276.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,422,549.84 : 212,071,970.24 = 71,349,655.12 : x
  2. Step 2: Convert to fraction form
    141,422,549.84/212,071,970.24 = 71,349,655.12/x
  3. Step 3: Cross multiply
    141,422,549.84x = 212,071,970.24 × 71,349,655.12
  4. Step 4: Simplify right side
    141,422,549.84x = 15,131,261,937,242,906
  5. Step 5: Solve for x
    x = 15,131,261,937,242,906/141,422,549.84
  6. Step 6: Final answer
    x = 106,993,276.21

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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.