Home / 66,154,726.61-91,289,772.79-36,785,428.62

Finding the Fourth Proportional to 66,154,726.61, 91,289,772.79 and 36,785,428.62

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Solution

The fourth proportional to 66,154,726.61, 91,289,772.79 and 36,785,428.62 is: 50,761,806.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,154,726.61 : 91,289,772.79 = 36,785,428.62 : x
  2. Step 2: Convert to fraction form
    66,154,726.61/91,289,772.79 = 36,785,428.62/x
  3. Step 3: Cross multiply
    66,154,726.61x = 91,289,772.79 × 36,785,428.62
  4. Step 4: Simplify right side
    66,154,726.61x = 3,358,133,420,702,563
  5. Step 5: Solve for x
    x = 3,358,133,420,702,563/66,154,726.61
  6. Step 6: Final answer
    x = 50,761,806.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.