Home / 51,785,284.54-77,688,159.68-18,996,157.86

Finding the Fourth Proportional to 51,785,284.54, 77,688,159.68 and 18,996,157.86

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Solution

The fourth proportional to 51,785,284.54, 77,688,159.68 and 18,996,157.86 is: 28,497,990.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,785,284.54 : 77,688,159.68 = 18,996,157.86 : x
  2. Step 2: Convert to fraction form
    51,785,284.54/77,688,159.68 = 18,996,157.86/x
  3. Step 3: Cross multiply
    51,785,284.54x = 77,688,159.68 × 18,996,157.86
  4. Step 4: Simplify right side
    51,785,284.54x = 1,475,776,545,134,167.25
  5. Step 5: Solve for x
    x = 1,475,776,545,134,167.25/51,785,284.54
  6. Step 6: Final answer
    x = 28,497,990.47

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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.