Home / 109,956,122.81-151,735,292.16-61,066,700.09

Finding the Fourth Proportional to 109,956,122.81, 151,735,292.16 and 61,066,700.09

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Solution

The fourth proportional to 109,956,122.81, 151,735,292.16 and 61,066,700.09 is: 84,269,737.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,956,122.81 : 151,735,292.16 = 61,066,700.09 : x
  2. Step 2: Convert to fraction form
    109,956,122.81/151,735,292.16 = 61,066,700.09/x
  3. Step 3: Cross multiply
    109,956,122.81x = 151,735,292.16 × 61,066,700.09
  4. Step 4: Simplify right side
    109,956,122.81x = 9,265,973,578,644,572
  5. Step 5: Solve for x
    x = 9,265,973,578,644,572/109,956,122.81
  6. Step 6: Final answer
    x = 84,269,737.26

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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.