Home / 218,951,582.64-302,153,984.83-118,480,020.72

Finding the Fourth Proportional to 218,951,582.64, 302,153,984.83 and 118,480,020.72

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Solution

The fourth proportional to 218,951,582.64, 302,153,984.83 and 118,480,020.72 is: 163,502,861.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,951,582.64 : 302,153,984.83 = 118,480,020.72 : x
  2. Step 2: Convert to fraction form
    218,951,582.64/302,153,984.83 = 118,480,020.72/x
  3. Step 3: Cross multiply
    218,951,582.64x = 302,153,984.83 × 118,480,020.72
  4. Step 4: Simplify right side
    218,951,582.64x = 35,799,210,383,338,072
  5. Step 5: Solve for x
    x = 35,799,210,383,338,072/218,951,582.64
  6. Step 6: Final answer
    x = 163,502,861.92

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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.