Home / 97,870,486.40-135,069,877.12-53,825,247.68

Finding the Fourth Proportional to 97,870,486.40, 135,069,877.12 and 53,825,247.68

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Solution

The fourth proportional to 97,870,486.40, 135,069,877.12 and 53,825,247.68 is: 74,283,574.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,870,486.40 : 135,069,877.12 = 53,825,247.68 : x
  2. Step 2: Convert to fraction form
    97,870,486.40/135,069,877.12 = 53,825,247.68/x
  3. Step 3: Cross multiply
    97,870,486.40x = 135,069,877.12 × 53,825,247.68
  4. Step 4: Simplify right side
    97,870,486.40x = 7,270,169,590,091,165
  5. Step 5: Solve for x
    x = 7,270,169,590,091,165/97,870,486.40
  6. Step 6: Final answer
    x = 74,283,574.73

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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.