Home / 86,364,435.42-129,569,341.86-31,037,856.44

Finding the Fourth Proportional to 86,364,435.42, 129,569,341.86 and 31,037,856.44

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Solution

The fourth proportional to 86,364,435.42, 129,569,341.86 and 31,037,856.44 is: 46,564,938.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,364,435.42 : 129,569,341.86 = 31,037,856.44 : x
  2. Step 2: Convert to fraction form
    86,364,435.42/129,569,341.86 = 31,037,856.44/x
  3. Step 3: Cross multiply
    86,364,435.42x = 129,569,341.86 × 31,037,856.44
  4. Step 4: Simplify right side
    86,364,435.42x = 4,021,554,631,028,115.50
  5. Step 5: Solve for x
    x = 4,021,554,631,028,115.50/86,364,435.42
  6. Step 6: Final answer
    x = 46,564,938.58

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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.