Home / 127,817,209.80-191,725,814.70-107,409,875.40

Finding the Fourth Proportional to 127,817,209.80, 191,725,814.70 and 107,409,875.40

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Solution

The fourth proportional to 127,817,209.80, 191,725,814.70 and 107,409,875.40 is: 161,114,813.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,817,209.80 : 191,725,814.70 = 107,409,875.40 : x
  2. Step 2: Convert to fraction form
    127,817,209.80/191,725,814.70 = 107,409,875.40/x
  3. Step 3: Cross multiply
    127,817,209.80x = 191,725,814.70 × 107,409,875.40
  4. Step 4: Simplify right side
    127,817,209.80x = 20,593,245,867,890,488
  5. Step 5: Solve for x
    x = 20,593,245,867,890,488/127,817,209.80
  6. Step 6: Final answer
    x = 161,114,813.10

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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.