Home / 105,201,101.16-145,164,944.52-58,151,818.62

Finding the Fourth Proportional to 105,201,101.16, 145,164,944.52 and 58,151,818.62

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Solution

The fourth proportional to 105,201,101.16, 145,164,944.52 and 58,151,818.62 is: 80,242,558.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,201,101.16 : 145,164,944.52 = 58,151,818.62 : x
  2. Step 2: Convert to fraction form
    105,201,101.16/145,164,944.52 = 58,151,818.62/x
  3. Step 3: Cross multiply
    105,201,101.16x = 145,164,944.52 × 58,151,818.62
  4. Step 4: Simplify right side
    105,201,101.16x = 8,441,605,523,709,403
  5. Step 5: Solve for x
    x = 8,441,605,523,709,403/105,201,101.16
  6. Step 6: Final answer
    x = 80,242,558.59

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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.