Home / 85,807,775.28-118,452,899.16-51,011,730.48

Finding the Fourth Proportional to 85,807,775.28, 118,452,899.16 and 51,011,730.48

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Solution

The fourth proportional to 85,807,775.28, 118,452,899.16 and 51,011,730.48 is: 70,418,879.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,807,775.28 : 118,452,899.16 = 51,011,730.48 : x
  2. Step 2: Convert to fraction form
    85,807,775.28/118,452,899.16 = 51,011,730.48/x
  3. Step 3: Cross multiply
    85,807,775.28x = 118,452,899.16 × 51,011,730.48
  4. Step 4: Simplify right side
    85,807,775.28x = 6,042,487,366,524,538
  5. Step 5: Solve for x
    x = 6,042,487,366,524,538/85,807,775.28
  6. Step 6: Final answer
    x = 70,418,879.25

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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.