Home / 105,724,113.35-145,887,443.04-58,683,169.79

Finding the Fourth Proportional to 105,724,113.35, 145,887,443.04 and 58,683,169.79

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Solution

The fourth proportional to 105,724,113.35, 145,887,443.04 and 58,683,169.79 is: 80,976,206.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,724,113.35 : 145,887,443.04 = 58,683,169.79 : x
  2. Step 2: Convert to fraction form
    105,724,113.35/145,887,443.04 = 58,683,169.79/x
  3. Step 3: Cross multiply
    105,724,113.35x = 145,887,443.04 × 58,683,169.79
  4. Step 4: Simplify right side
    105,724,113.35x = 8,561,137,590,145,273
  5. Step 5: Solve for x
    x = 8,561,137,590,145,273/105,724,113.35
  6. Step 6: Final answer
    x = 80,976,206.08

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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.