Home / 106,650,531.40-159,736,648.65-87,518,655.40

Finding the Fourth Proportional to 106,650,531.40, 159,736,648.65 and 87,518,655.40

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Solution

The fourth proportional to 106,650,531.40, 159,736,648.65 and 87,518,655.40 is: 131,081,735.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,650,531.40 : 159,736,648.65 = 87,518,655.40 : x
  2. Step 2: Convert to fraction form
    106,650,531.40/159,736,648.65 = 87,518,655.40/x
  3. Step 3: Cross multiply
    106,650,531.40x = 159,736,648.65 × 87,518,655.40
  4. Step 4: Simplify right side
    106,650,531.40x = 13,979,936,707,950,226
  5. Step 5: Solve for x
    x = 13,979,936,707,950,226/106,650,531.40
  6. Step 6: Final answer
    x = 131,081,735.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.