Home / 345,657,178.19-477,043,872.10-211,783,938.36

Finding the Fourth Proportional to 345,657,178.19, 477,043,872.10 and 211,783,938.36

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Solution

The fourth proportional to 345,657,178.19, 477,043,872.10 and 211,783,938.36 is: 292,284,484.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,657,178.19 : 477,043,872.10 = 211,783,938.36 : x
  2. Step 2: Convert to fraction form
    345,657,178.19/477,043,872.10 = 211,783,938.36/x
  3. Step 3: Cross multiply
    345,657,178.19x = 477,043,872.10 × 211,783,938.36
  4. Step 4: Simplify right side
    345,657,178.19x = 101,030,230,003,312,672
  5. Step 5: Solve for x
    x = 101,030,230,003,312,672/345,657,178.19
  6. Step 6: Final answer
    x = 292,284,484.11

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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.