Home / 218,951,695.52-302,154,140.52-118,480,133.60

Finding the Fourth Proportional to 218,951,695.52, 302,154,140.52 and 118,480,133.60

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Solution

The fourth proportional to 218,951,695.52, 302,154,140.52 and 118,480,133.60 is: 163,503,017.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,951,695.52 : 302,154,140.52 = 118,480,133.60 : x
  2. Step 2: Convert to fraction form
    218,951,695.52/302,154,140.52 = 118,480,133.60/x
  3. Step 3: Cross multiply
    218,951,695.52x = 302,154,140.52 × 118,480,133.60
  4. Step 4: Simplify right side
    218,951,695.52x = 35,799,262,936,602,768
  5. Step 5: Solve for x
    x = 35,799,262,936,602,768/218,951,695.52
  6. Step 6: Final answer
    x = 163,503,017.65

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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.