Home / 105,548,032.20-145,656,186.69-59,138,618.07

Finding the Fourth Proportional to 105,548,032.20, 145,656,186.69 and 59,138,618.07

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Solution

The fourth proportional to 105,548,032.20, 145,656,186.69 and 59,138,618.07 is: 81,611,238.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,548,032.20 : 145,656,186.69 = 59,138,618.07 : x
  2. Step 2: Convert to fraction form
    105,548,032.20/145,656,186.69 = 59,138,618.07/x
  3. Step 3: Cross multiply
    105,548,032.20x = 145,656,186.69 × 59,138,618.07
  4. Step 4: Simplify right side
    105,548,032.20x = 8,613,905,594,192,527
  5. Step 5: Solve for x
    x = 8,613,905,594,192,527/105,548,032.20
  6. Step 6: Final answer
    x = 81,611,238.17

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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.