Home / 218,951,665.58-302,154,099-118,480,103.30

Finding the Fourth Proportional to 218,951,665.58, 302,154,099 and 118,480,103.30

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Solution

The fourth proportional to 218,951,665.58, 302,154,099 and 118,480,103.30 is: 163,502,975.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,951,665.58 : 302,154,099 = 118,480,103.30 : x
  2. Step 2: Convert to fraction form
    218,951,665.58/302,154,099 = 118,480,103.30/x
  3. Step 3: Cross multiply
    218,951,665.58x = 302,154,099 × 118,480,103.30
  4. Step 4: Simplify right side
    218,951,665.58x = 35,799,248,862,038,424
  5. Step 5: Solve for x
    x = 35,799,248,862,038,424/218,951,665.58
  6. Step 6: Final answer
    x = 163,502,975.72

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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.