Home / 136,270,979.14-188,054,715.28-77,533,643.02

Finding the Fourth Proportional to 136,270,979.14, 188,054,715.28 and 77,533,643.02

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Solution

The fourth proportional to 136,270,979.14, 188,054,715.28 and 77,533,643.02 is: 106,996,862.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,270,979.14 : 188,054,715.28 = 77,533,643.02 : x
  2. Step 2: Convert to fraction form
    136,270,979.14/188,054,715.28 = 77,533,643.02/x
  3. Step 3: Cross multiply
    136,270,979.14x = 188,054,715.28 × 77,533,643.02
  4. Step 4: Simplify right side
    136,270,979.14x = 14,580,567,162,747,258
  5. Step 5: Solve for x
    x = 14,580,567,162,747,258/136,270,979.14
  6. Step 6: Final answer
    x = 106,996,862.10

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.