Home / 65,869,366.05-90,900,259.02-36,501,189.17

Finding the Fourth Proportional to 65,869,366.05, 90,900,259.02 and 36,501,189.17

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Solution

The fourth proportional to 65,869,366.05, 90,900,259.02 and 36,501,189.17 is: 50,371,936.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,869,366.05 : 90,900,259.02 = 36,501,189.17 : x
  2. Step 2: Convert to fraction form
    65,869,366.05/90,900,259.02 = 36,501,189.17/x
  3. Step 3: Cross multiply
    65,869,366.05x = 90,900,259.02 × 36,501,189.17
  4. Step 4: Simplify right side
    65,869,366.05x = 3,317,967,549,636,517.50
  5. Step 5: Solve for x
    x = 3,317,967,549,636,517.50/65,869,366.05
  6. Step 6: Final answer
    x = 50,371,936.89

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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.