Home / 42,139,374.98-63,214,122.64-14,840,021.72

Finding the Fourth Proportional to 42,139,374.98, 63,214,122.64 and 14,840,021.72

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Solution

The fourth proportional to 42,139,374.98, 63,214,122.64 and 14,840,021.72 is: 22,261,814.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,139,374.98 : 63,214,122.64 = 14,840,021.72 : x
  2. Step 2: Convert to fraction form
    42,139,374.98/63,214,122.64 = 14,840,021.72/x
  3. Step 3: Cross multiply
    42,139,374.98x = 63,214,122.64 × 14,840,021.72
  4. Step 4: Simplify right side
    42,139,374.98x = 938,098,952,988,343.75
  5. Step 5: Solve for x
    x = 938,098,952,988,343.75/42,139,374.98
  6. Step 6: Final answer
    x = 22,261,814.60

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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.