Home / 131,323,521.04-181,223,298.07-71,782,145.53

Finding the Fourth Proportional to 131,323,521.04, 181,223,298.07 and 71,782,145.53

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Solution

The fourth proportional to 131,323,521.04, 181,223,298.07 and 71,782,145.53 is: 99,057,633.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,323,521.04 : 181,223,298.07 = 71,782,145.53 : x
  2. Step 2: Convert to fraction form
    131,323,521.04/181,223,298.07 = 71,782,145.53/x
  3. Step 3: Cross multiply
    131,323,521.04x = 181,223,298.07 × 71,782,145.53
  4. Step 4: Simplify right side
    131,323,521.04x = 13,008,597,155,487,308
  5. Step 5: Solve for x
    x = 13,008,597,155,487,308/131,323,521.04
  6. Step 6: Final answer
    x = 99,057,633.03

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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.