Home / 42,912,067.60-64,368,101.40-10,563,713.20

Finding the Fourth Proportional to 42,912,067.60, 64,368,101.40 and 10,563,713.20

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Solution

The fourth proportional to 42,912,067.60, 64,368,101.40 and 10,563,713.20 is: 15,845,569.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,912,067.60 : 64,368,101.40 = 10,563,713.20 : x
  2. Step 2: Convert to fraction form
    42,912,067.60/64,368,101.40 = 10,563,713.20/x
  3. Step 3: Cross multiply
    42,912,067.60x = 64,368,101.40 × 10,563,713.20
  4. Step 4: Simplify right side
    42,912,067.60x = 679,966,162,418,118.38
  5. Step 5: Solve for x
    x = 679,966,162,418,118.38/42,912,067.60
  6. Step 6: Final answer
    x = 15,845,569.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.