Home / 85,807,776.78-118,452,901.23-51,011,731.98

Finding the Fourth Proportional to 85,807,776.78, 118,452,901.23 and 51,011,731.98

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Solution

The fourth proportional to 85,807,776.78, 118,452,901.23 and 51,011,731.98 is: 70,418,881.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,807,776.78 : 118,452,901.23 = 51,011,731.98 : x
  2. Step 2: Convert to fraction form
    85,807,776.78/118,452,901.23 = 51,011,731.98/x
  3. Step 3: Cross multiply
    85,807,776.78x = 118,452,901.23 × 51,011,731.98
  4. Step 4: Simplify right side
    85,807,776.78x = 6,042,487,649,798,172
  5. Step 5: Solve for x
    x = 6,042,487,649,798,172/85,807,776.78
  6. Step 6: Final answer
    x = 70,418,881.32

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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.