Home / 112,455,827.40-168,683,741.10-67,068,870.60

Finding the Fourth Proportional to 112,455,827.40, 168,683,741.10 and 67,068,870.60

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Solution

The fourth proportional to 112,455,827.40, 168,683,741.10 and 67,068,870.60 is: 100,603,305.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,455,827.40 : 168,683,741.10 = 67,068,870.60 : x
  2. Step 2: Convert to fraction form
    112,455,827.40/168,683,741.10 = 67,068,870.60/x
  3. Step 3: Cross multiply
    112,455,827.40x = 168,683,741.10 × 67,068,870.60
  4. Step 4: Simplify right side
    112,455,827.40x = 11,313,428,004,159,802
  5. Step 5: Solve for x
    x = 11,313,428,004,159,802/112,455,827.40
  6. Step 6: Final answer
    x = 100,603,305.90

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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.