Home / 123,583,870.40-185,459,786.40-68,996,350.40

Finding the Fourth Proportional to 123,583,870.40, 185,459,786.40 and 68,996,350.40

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Solution

The fourth proportional to 123,583,870.40, 185,459,786.40 and 68,996,350.40 is: 103,541,411.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,583,870.40 : 185,459,786.40 = 68,996,350.40 : x
  2. Step 2: Convert to fraction form
    123,583,870.40/185,459,786.40 = 68,996,350.40/x
  3. Step 3: Cross multiply
    123,583,870.40x = 185,459,786.40 × 68,996,350.40
  4. Step 4: Simplify right side
    123,583,870.40x = 12,796,048,407,563,556
  5. Step 5: Solve for x
    x = 12,796,048,407,563,556/123,583,870.40
  6. Step 6: Final answer
    x = 103,541,411.72

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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.