Home / 88,573,625.10-132,860,437.65-85,345,121.03

Finding the Fourth Proportional to 88,573,625.10, 132,860,437.65 and 85,345,121.03

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Solution

The fourth proportional to 88,573,625.10, 132,860,437.65 and 85,345,121.03 is: 128,017,681.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,573,625.10 : 132,860,437.65 = 85,345,121.03 : x
  2. Step 2: Convert to fraction form
    88,573,625.10/132,860,437.65 = 85,345,121.03/x
  3. Step 3: Cross multiply
    88,573,625.10x = 132,860,437.65 × 85,345,121.03
  4. Step 4: Simplify right side
    88,573,625.10x = 11,338,990,130,673,718
  5. Step 5: Solve for x
    x = 11,338,990,130,673,718/88,573,625.10
  6. Step 6: Final answer
    x = 128,017,681.54

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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.