Home / 84,485,501.38-116,570,009.01-47,816,071.30

Finding the Fourth Proportional to 84,485,501.38, 116,570,009.01 and 47,816,071.30

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Solution

The fourth proportional to 84,485,501.38, 116,570,009.01 and 47,816,071.30 is: 65,974,868.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,485,501.38 : 116,570,009.01 = 47,816,071.30 : x
  2. Step 2: Convert to fraction form
    84,485,501.38/116,570,009.01 = 47,816,071.30/x
  3. Step 3: Cross multiply
    84,485,501.38x = 116,570,009.01 × 47,816,071.30
  4. Step 4: Simplify right side
    84,485,501.38x = 5,573,919,862,263,802
  5. Step 5: Solve for x
    x = 5,573,919,862,263,802/84,485,501.38
  6. Step 6: Final answer
    x = 65,974,868.72

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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.