Home / 131,412,011.04-181,349,778.96-72,671,640.48

Finding the Fourth Proportional to 131,412,011.04, 181,349,778.96 and 72,671,640.48

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Solution

The fourth proportional to 131,412,011.04, 181,349,778.96 and 72,671,640.48 is: 100,287,529.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,412,011.04 : 181,349,778.96 = 72,671,640.48 : x
  2. Step 2: Convert to fraction form
    131,412,011.04/181,349,778.96 = 72,671,640.48/x
  3. Step 3: Cross multiply
    131,412,011.04x = 181,349,778.96 × 72,671,640.48
  4. Step 4: Simplify right side
    131,412,011.04x = 13,178,985,937,708,590
  5. Step 5: Solve for x
    x = 13,178,985,937,708,590/131,412,011.04
  6. Step 6: Final answer
    x = 100,287,529.53

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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.