Home / 162,362,590.85-243,543,881.57-74,898,229.95

Finding the Fourth Proportional to 162,362,590.85, 243,543,881.57 and 74,898,229.95

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Solution

The fourth proportional to 162,362,590.85, 243,543,881.57 and 74,898,229.95 is: 112,347,342.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,362,590.85 : 243,543,881.57 = 74,898,229.95 : x
  2. Step 2: Convert to fraction form
    162,362,590.85/243,543,881.57 = 74,898,229.95/x
  3. Step 3: Cross multiply
    162,362,590.85x = 243,543,881.57 × 74,898,229.95
  4. Step 4: Simplify right side
    162,362,590.85x = 18,241,005,644,792,616
  5. Step 5: Solve for x
    x = 18,241,005,644,792,616/162,362,590.85
  6. Step 6: Final answer
    x = 112,347,342.75

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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.