Home / 43,137,143,999.40-64,705,715,999.10-21,068,333,452.20

Finding the Fourth Proportional to 43,137,143,999.40, 64,705,715,999.10 and 21,068,333,452.20

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Solution

The fourth proportional to 43,137,143,999.40, 64,705,715,999.10 and 21,068,333,452.20 is: 31,602,500,178.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,137,143,999.40 : 64,705,715,999.10 = 21,068,333,452.20 : x
  2. Step 2: Convert to fraction form
    43,137,143,999.40/64,705,715,999.10 = 21,068,333,452.20/x
  3. Step 3: Cross multiply
    43,137,143,999.40x = 64,705,715,999.10 × 21,068,333,452.20
  4. Step 4: Simplify right side
    43,137,143,999.40x = 1,363,241,600,932,391,419,904
  5. Step 5: Solve for x
    x = 1,363,241,600,932,391,419,904/43,137,143,999.40
  6. Step 6: Final answer
    x = 31,602,500,178.30

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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.