Home / 158,184,312.96-218,284,721.64-87,615,740.16

Finding the Fourth Proportional to 158,184,312.96, 218,284,721.64 and 87,615,740.16

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Solution

The fourth proportional to 158,184,312.96, 218,284,721.64 and 87,615,740.16 is: 120,904,387.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,184,312.96 : 218,284,721.64 = 87,615,740.16 : x
  2. Step 2: Convert to fraction form
    158,184,312.96/218,284,721.64 = 87,615,740.16/x
  3. Step 3: Cross multiply
    158,184,312.96x = 218,284,721.64 × 87,615,740.16
  4. Step 4: Simplify right side
    158,184,312.96x = 19,125,177,452,108,168
  5. Step 5: Solve for x
    x = 19,125,177,452,108,168/158,184,312.96
  6. Step 6: Final answer
    x = 120,904,387.38

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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.