Home / 100,568,045.45-150,852,068.18-86,936,583.80

Finding the Fourth Proportional to 100,568,045.45, 150,852,068.18 and 86,936,583.80

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Solution

The fourth proportional to 100,568,045.45, 150,852,068.18 and 86,936,583.80 is: 130,404,875.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,568,045.45 : 150,852,068.18 = 86,936,583.80 : x
  2. Step 2: Convert to fraction form
    100,568,045.45/150,852,068.18 = 86,936,583.80/x
  3. Step 3: Cross multiply
    100,568,045.45x = 150,852,068.18 × 86,936,583.80
  4. Step 4: Simplify right side
    100,568,045.45x = 13,114,563,466,299,202
  5. Step 5: Solve for x
    x = 13,114,563,466,299,202/100,568,045.45
  6. Step 6: Final answer
    x = 130,404,875.70

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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.