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Finding the Fourth Proportional to 64,003,603.60, 88,325,205.60 and 34,634,933.20

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Solution

The fourth proportional to 64,003,603.60, 88,325,205.60 and 34,634,933.20 is: 47,796,333.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,003,603.60 : 88,325,205.60 = 34,634,933.20 : x
  2. Step 2: Convert to fraction form
    64,003,603.60/88,325,205.60 = 34,634,933.20/x
  3. Step 3: Cross multiply
    64,003,603.60x = 88,325,205.60 × 34,634,933.20
  4. Step 4: Simplify right side
    64,003,603.60x = 3,059,137,595,832,266
  5. Step 5: Solve for x
    x = 3,059,137,595,832,266/64,003,603.60
  6. Step 6: Final answer
    x = 47,796,333.70

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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.