Home / 191,644,807.95-287,467,211.93-53,470,147.95

Finding the Fourth Proportional to 191,644,807.95, 287,467,211.93 and 53,470,147.95

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Solution

The fourth proportional to 191,644,807.95, 287,467,211.93 and 53,470,147.95 is: 80,205,221.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,644,807.95 : 287,467,211.93 = 53,470,147.95 : x
  2. Step 2: Convert to fraction form
    191,644,807.95/287,467,211.93 = 53,470,147.95/x
  3. Step 3: Cross multiply
    191,644,807.95x = 287,467,211.93 × 53,470,147.95
  4. Step 4: Simplify right side
    191,644,807.95x = 15,370,914,352,403,756
  5. Step 5: Solve for x
    x = 15,370,914,352,403,756/191,644,807.95
  6. Step 6: Final answer
    x = 80,205,221.93

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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.