Home / 153,765,003,860.10-212,195,631,522.40-91,965,572,447.27

Finding the Fourth Proportional to 153,765,003,860.10, 212,195,631,522.40 and 91,965,572,447.27

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Solution

The fourth proportional to 153,765,003,860.10, 212,195,631,522.40 and 91,965,572,447.27 is: 126,912,445,835.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,765,003,860.10 : 212,195,631,522.40 = 91,965,572,447.27 : x
  2. Step 2: Convert to fraction form
    153,765,003,860.10/212,195,631,522.40 = 91,965,572,447.27/x
  3. Step 3: Cross multiply
    153,765,003,860.10x = 212,195,631,522.40 × 91,965,572,447.27
  4. Step 4: Simplify right side
    153,765,003,860.10x = 19,514,692,723,767,697,735,680
  5. Step 5: Solve for x
    x = 19,514,692,723,767,697,735,680/153,765,003,860.10
  6. Step 6: Final answer
    x = 126,912,445,835.35

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1.5x scale

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.