Home / 112,455,814.90-168,683,722.35-67,068,858.10

Finding the Fourth Proportional to 112,455,814.90, 168,683,722.35 and 67,068,858.10

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Solution

The fourth proportional to 112,455,814.90, 168,683,722.35 and 67,068,858.10 is: 100,603,287.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,455,814.90 : 168,683,722.35 = 67,068,858.10 : x
  2. Step 2: Convert to fraction form
    112,455,814.90/168,683,722.35 = 67,068,858.10/x
  3. Step 3: Cross multiply
    112,455,814.90x = 168,683,722.35 × 67,068,858.10
  4. Step 4: Simplify right side
    112,455,814.90x = 11,313,424,638,071,948
  5. Step 5: Solve for x
    x = 11,313,424,638,071,948/112,455,814.90
  6. Step 6: Final answer
    x = 100,603,287.15

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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.