Home / 124,704,001.53-187,065,975.02-42,789,916.53

Finding the Fourth Proportional to 124,704,001.53, 187,065,975.02 and 42,789,916.53

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Solution

The fourth proportional to 124,704,001.53, 187,065,975.02 and 42,789,916.53 is: 64,188,296.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,704,001.53 : 187,065,975.02 = 42,789,916.53 : x
  2. Step 2: Convert to fraction form
    124,704,001.53/187,065,975.02 = 42,789,916.53/x
  3. Step 3: Cross multiply
    124,704,001.53x = 187,065,975.02 × 42,789,916.53
  4. Step 4: Simplify right side
    124,704,001.53x = 8,004,537,456,494,915
  5. Step 5: Solve for x
    x = 8,004,537,456,494,915/124,704,001.53
  6. Step 6: Final answer
    x = 64,188,296.75

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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.