Home / 190,679,022.06-286,021,190.61-54,364,405.74

Finding the Fourth Proportional to 190,679,022.06, 286,021,190.61 and 54,364,405.74

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Solution

The fourth proportional to 190,679,022.06, 286,021,190.61 and 54,364,405.74 is: 81,547,366.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,679,022.06 : 286,021,190.61 = 54,364,405.74 : x
  2. Step 2: Convert to fraction form
    190,679,022.06/286,021,190.61 = 54,364,405.74/x
  3. Step 3: Cross multiply
    190,679,022.06x = 286,021,190.61 × 54,364,405.74
  4. Step 4: Simplify right side
    190,679,022.06x = 15,549,372,056,559,920
  5. Step 5: Solve for x
    x = 15,549,372,056,559,920/190,679,022.06
  6. Step 6: Final answer
    x = 81,547,366.29

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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.