Home / 42,092,807-57,666,180.62-40,519,071.72

Finding the Fourth Proportional to 42,092,807, 57,666,180.62 and 40,519,071.72

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Solution

The fourth proportional to 42,092,807, 57,666,180.62 and 40,519,071.72 is: 55,510,199.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,092,807 : 57,666,180.62 = 40,519,071.72 : x
  2. Step 2: Convert to fraction form
    42,092,807/57,666,180.62 = 40,519,071.72/x
  3. Step 3: Cross multiply
    42,092,807x = 57,666,180.62 × 40,519,071.72
  4. Step 4: Simplify right side
    42,092,807x = 2,336,580,108,360,254
  5. Step 5: Solve for x
    x = 2,336,580,108,360,254/42,092,807
  6. Step 6: Final answer
    x = 55,510,199.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.