Home / 218,951,633.60-302,154,054.85-118,480,071.29

Finding the Fourth Proportional to 218,951,633.60, 302,154,054.85 and 118,480,071.29

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Solution

The fourth proportional to 218,951,633.60, 302,154,054.85 and 118,480,071.29 is: 163,502,931.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,951,633.60 : 302,154,054.85 = 118,480,071.29 : x
  2. Step 2: Convert to fraction form
    218,951,633.60/302,154,054.85 = 118,480,071.29/x
  3. Step 3: Cross multiply
    218,951,633.60x = 302,154,054.85 × 118,480,071.29
  4. Step 4: Simplify right side
    218,951,633.60x = 35,799,233,959,649,760
  5. Step 5: Solve for x
    x = 35,799,233,959,649,760/218,951,633.60
  6. Step 6: Final answer
    x = 163,502,931.54

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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.