Home / 45,139,808.02-62,312,005.92-30,475,338.78

Finding the Fourth Proportional to 45,139,808.02, 62,312,005.92 and 30,475,338.78

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Solution

The fourth proportional to 45,139,808.02, 62,312,005.92 and 30,475,338.78 is: 42,068,842.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,139,808.02 : 62,312,005.92 = 30,475,338.78 : x
  2. Step 2: Convert to fraction form
    45,139,808.02/62,312,005.92 = 30,475,338.78/x
  3. Step 3: Cross multiply
    45,139,808.02x = 62,312,005.92 × 30,475,338.78
  4. Step 4: Simplify right side
    45,139,808.02x = 1,898,979,490,473,365.75
  5. Step 5: Solve for x
    x = 1,898,979,490,473,365.75/45,139,808.02
  6. Step 6: Final answer
    x = 42,068,842.86

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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.