Home / 113,372,136.10-170,058,204.15-90,697,320.10

Finding the Fourth Proportional to 113,372,136.10, 170,058,204.15 and 90,697,320.10

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Solution

The fourth proportional to 113,372,136.10, 170,058,204.15 and 90,697,320.10 is: 136,045,980.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,372,136.10 : 170,058,204.15 = 90,697,320.10 : x
  2. Step 2: Convert to fraction form
    113,372,136.10/170,058,204.15 = 90,697,320.10/x
  3. Step 3: Cross multiply
    113,372,136.10x = 170,058,204.15 × 90,697,320.10
  4. Step 4: Simplify right side
    113,372,136.10x = 15,423,823,377,423,698
  5. Step 5: Solve for x
    x = 15,423,823,377,423,698/113,372,136.10
  6. Step 6: Final answer
    x = 136,045,980.15

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1.5x scale

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.