Home / 97,109,618.81-134,009,705.88-53,055,669.49

Finding the Fourth Proportional to 97,109,618.81, 134,009,705.88 and 53,055,669.49

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Solution

The fourth proportional to 97,109,618.81, 134,009,705.88 and 53,055,669.49 is: 73,215,967.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,109,618.81 : 134,009,705.88 = 53,055,669.49 : x
  2. Step 2: Convert to fraction form
    97,109,618.81/134,009,705.88 = 53,055,669.49/x
  3. Step 3: Cross multiply
    97,109,618.81x = 134,009,705.88 × 53,055,669.49
  4. Step 4: Simplify right side
    97,109,618.81x = 7,109,974,663,439,574
  5. Step 5: Solve for x
    x = 7,109,974,663,439,574/97,109,618.81
  6. Step 6: Final answer
    x = 73,215,967.18

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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.