Home / 188,867,633.71-260,638,368.41-109,529,734.74

Finding the Fourth Proportional to 188,867,633.71, 260,638,368.41 and 109,529,734.74

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Solution

The fourth proportional to 188,867,633.71, 260,638,368.41 and 109,529,734.74 is: 151,151,633.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,867,633.71 : 260,638,368.41 = 109,529,734.74 : x
  2. Step 2: Convert to fraction form
    188,867,633.71/260,638,368.41 = 109,529,734.74/x
  3. Step 3: Cross multiply
    188,867,633.71x = 260,638,368.41 × 109,529,734.74
  4. Step 4: Simplify right side
    188,867,633.71x = 28,547,651,355,013,692
  5. Step 5: Solve for x
    x = 28,547,651,355,013,692/188,867,633.71
  6. Step 6: Final answer
    x = 151,151,633.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.