Home / 105,062,305.68-145,024,670.82-63,248,314.50

Finding the Fourth Proportional to 105,062,305.68, 145,024,670.82 and 63,248,314.50

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Solution

The fourth proportional to 105,062,305.68, 145,024,670.82 and 63,248,314.50 is: 87,305,965.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,062,305.68 : 145,024,670.82 = 63,248,314.50 : x
  2. Step 2: Convert to fraction form
    105,062,305.68/145,024,670.82 = 63,248,314.50/x
  3. Step 3: Cross multiply
    105,062,305.68x = 145,024,670.82 × 63,248,314.50
  4. Step 4: Simplify right side
    105,062,305.68x = 9,172,565,990,282,332
  5. Step 5: Solve for x
    x = 9,172,565,990,282,332/105,062,305.68
  6. Step 6: Final answer
    x = 87,305,965.07

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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.