Home / 42,841,142.40-64,263,780.32-14,086,641.36

Finding the Fourth Proportional to 42,841,142.40, 64,263,780.32 and 14,086,641.36

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Solution

The fourth proportional to 42,841,142.40, 64,263,780.32 and 14,086,641.36 is: 21,130,641.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,841,142.40 : 64,263,780.32 = 14,086,641.36 : x
  2. Step 2: Convert to fraction form
    42,841,142.40/64,263,780.32 = 14,086,641.36/x
  3. Step 3: Cross multiply
    42,841,142.40x = 64,263,780.32 × 14,086,641.36
  4. Step 4: Simplify right side
    42,841,142.40x = 905,260,825,805,666
  5. Step 5: Solve for x
    x = 905,260,825,805,666/42,841,142.40
  6. Step 6: Final answer
    x = 21,130,641.60

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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.