Home / 131,323,520.04-181,223,296.70-71,782,144.53

Finding the Fourth Proportional to 131,323,520.04, 181,223,296.70 and 71,782,144.53

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Solution

The fourth proportional to 131,323,520.04, 181,223,296.70 and 71,782,144.53 is: 99,057,631.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,323,520.04 : 181,223,296.70 = 71,782,144.53 : x
  2. Step 2: Convert to fraction form
    131,323,520.04/181,223,296.70 = 71,782,144.53/x
  3. Step 3: Cross multiply
    131,323,520.04x = 181,223,296.70 × 71,782,144.53
  4. Step 4: Simplify right side
    131,323,520.04x = 13,008,596,875,563,562
  5. Step 5: Solve for x
    x = 13,008,596,875,563,562/131,323,520.04
  6. Step 6: Final answer
    x = 99,057,631.65

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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.