Home / 63,780,455.12-87,970,032.02-48,100,139.57

Finding the Fourth Proportional to 63,780,455.12, 87,970,032.02 and 48,100,139.57

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Solution

The fourth proportional to 63,780,455.12, 87,970,032.02 and 48,100,139.57 is: 66,342,750.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,780,455.12 : 87,970,032.02 = 48,100,139.57 : x
  2. Step 2: Convert to fraction form
    63,780,455.12/87,970,032.02 = 48,100,139.57/x
  3. Step 3: Cross multiply
    63,780,455.12x = 87,970,032.02 × 48,100,139.57
  4. Step 4: Simplify right side
    63,780,455.12x = 4,231,370,817,459,018
  5. Step 5: Solve for x
    x = 4,231,370,817,459,018/63,780,455.12
  6. Step 6: Final answer
    x = 66,342,750.45

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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.