Home / 107,218,998.90-160,828,498.35-89,362,581.30

Finding the Fourth Proportional to 107,218,998.90, 160,828,498.35 and 89,362,581.30

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Solution

The fourth proportional to 107,218,998.90, 160,828,498.35 and 89,362,581.30 is: 134,043,871.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,218,998.90 : 160,828,498.35 = 89,362,581.30 : x
  2. Step 2: Convert to fraction form
    107,218,998.90/160,828,498.35 = 89,362,581.30/x
  3. Step 3: Cross multiply
    107,218,998.90x = 160,828,498.35 × 89,362,581.30
  4. Step 4: Simplify right side
    107,218,998.90x = 14,372,049,759,158,790
  5. Step 5: Solve for x
    x = 14,372,049,759,158,790/107,218,998.90
  6. Step 6: Final answer
    x = 134,043,871.95

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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.