Home / 190,635,701.38-285,996,329.76-61,250,681.86

Finding the Fourth Proportional to 190,635,701.38, 285,996,329.76 and 61,250,681.86

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Solution

The fourth proportional to 190,635,701.38, 285,996,329.76 and 61,250,681.86 is: 91,889,767.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,635,701.38 : 285,996,329.76 = 61,250,681.86 : x
  2. Step 2: Convert to fraction form
    190,635,701.38/285,996,329.76 = 61,250,681.86/x
  3. Step 3: Cross multiply
    190,635,701.38x = 285,996,329.76 × 61,250,681.86
  4. Step 4: Simplify right side
    190,635,701.38x = 17,517,470,207,257,410
  5. Step 5: Solve for x
    x = 17,517,470,207,257,410/190,635,701.38
  6. Step 6: Final answer
    x = 91,889,767.13

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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.