Home / 85,807,772.28-118,452,895.02-51,011,727.48

Finding the Fourth Proportional to 85,807,772.28, 118,452,895.02 and 51,011,727.48

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Solution

The fourth proportional to 85,807,772.28, 118,452,895.02 and 51,011,727.48 is: 70,418,875.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,807,772.28 : 118,452,895.02 = 51,011,727.48 : x
  2. Step 2: Convert to fraction form
    85,807,772.28/118,452,895.02 = 51,011,727.48/x
  3. Step 3: Cross multiply
    85,807,772.28x = 118,452,895.02 × 51,011,727.48
  4. Step 4: Simplify right side
    85,807,772.28x = 6,042,486,799,977,289
  5. Step 5: Solve for x
    x = 6,042,486,799,977,289/85,807,772.28
  6. Step 6: Final answer
    x = 70,418,875.11

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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.