Home / 191,838,329.57-287,633,767.87-75,265,466.83

Finding the Fourth Proportional to 191,838,329.57, 287,633,767.87 and 75,265,466.83

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Solution

The fourth proportional to 191,838,329.57, 287,633,767.87 and 75,265,466.83 is: 112,849,657.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,838,329.57 : 287,633,767.87 = 75,265,466.83 : x
  2. Step 2: Convert to fraction form
    191,838,329.57/287,633,767.87 = 75,265,466.83/x
  3. Step 3: Cross multiply
    191,838,329.57x = 287,633,767.87 × 75,265,466.83
  4. Step 4: Simplify right side
    191,838,329.57x = 21,648,889,814,182,400
  5. Step 5: Solve for x
    x = 21,648,889,814,182,400/191,838,329.57
  6. Step 6: Final answer
    x = 112,849,657.64

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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.