Home / 88,195,847.02-121,709,631.45-49,037,320.42

Finding the Fourth Proportional to 88,195,847.02, 121,709,631.45 and 49,037,320.42

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Solution

The fourth proportional to 88,195,847.02, 121,709,631.45 and 49,037,320.42 is: 67,671,147.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,195,847.02 : 121,709,631.45 = 49,037,320.42 : x
  2. Step 2: Convert to fraction form
    88,195,847.02/121,709,631.45 = 49,037,320.42/x
  3. Step 3: Cross multiply
    88,195,847.02x = 121,709,631.45 × 49,037,320.42
  4. Step 4: Simplify right side
    88,195,847.02x = 5,968,314,195,613,760
  5. Step 5: Solve for x
    x = 5,968,314,195,613,760/88,195,847.02
  6. Step 6: Final answer
    x = 67,671,147.76

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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.