Home / 105,201,100.16-145,164,943.14-58,151,817.62

Finding the Fourth Proportional to 105,201,100.16, 145,164,943.14 and 58,151,817.62

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Solution

The fourth proportional to 105,201,100.16, 145,164,943.14 and 58,151,817.62 is: 80,242,557.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,201,100.16 : 145,164,943.14 = 58,151,817.62 : x
  2. Step 2: Convert to fraction form
    105,201,100.16/145,164,943.14 = 58,151,817.62/x
  3. Step 3: Cross multiply
    105,201,100.16x = 145,164,943.14 × 58,151,817.62
  4. Step 4: Simplify right side
    105,201,100.16x = 8,441,605,298,439,793
  5. Step 5: Solve for x
    x = 8,441,605,298,439,793/105,201,100.16
  6. Step 6: Final answer
    x = 80,242,557.21

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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.