Home / 88,134,041.80-132,222,057.90-42,658,438.60

Finding the Fourth Proportional to 88,134,041.80, 132,222,057.90 and 42,658,438.60

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Solution

The fourth proportional to 88,134,041.80, 132,222,057.90 and 42,658,438.60 is: 63,997,819.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,134,041.80 : 132,222,057.90 = 42,658,438.60 : x
  2. Step 2: Convert to fraction form
    88,134,041.80/132,222,057.90 = 42,658,438.60/x
  3. Step 3: Cross multiply
    88,134,041.80x = 132,222,057.90 × 42,658,438.60
  4. Step 4: Simplify right side
    88,134,041.80x = 5,640,386,538,492,795
  5. Step 5: Solve for x
    x = 5,640,386,538,492,795/88,134,041.80
  6. Step 6: Final answer
    x = 63,997,819.95

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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.