Home / 141,754,264.05-195,621,016.22-76,564,168.05

Finding the Fourth Proportional to 141,754,264.05, 195,621,016.22 and 76,564,168.05

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Solution

The fourth proportional to 141,754,264.05, 195,621,016.22 and 76,564,168.05 is: 105,658,623.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,754,264.05 : 195,621,016.22 = 76,564,168.05 : x
  2. Step 2: Convert to fraction form
    141,754,264.05/195,621,016.22 = 76,564,168.05/x
  3. Step 3: Cross multiply
    141,754,264.05x = 195,621,016.22 × 76,564,168.05
  4. Step 4: Simplify right side
    141,754,264.05x = 14,977,560,360,032,970
  5. Step 5: Solve for x
    x = 14,977,560,360,032,970/141,754,264.05
  6. Step 6: Final answer
    x = 105,658,623.11

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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.