Home / 127,684,722.80-191,553,988.08-41,416,403.60

Finding the Fourth Proportional to 127,684,722.80, 191,553,988.08 and 41,416,403.60

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Solution

The fourth proportional to 127,684,722.80, 191,553,988.08 and 41,416,403.60 is: 62,133,332.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,684,722.80 : 191,553,988.08 = 41,416,403.60 : x
  2. Step 2: Convert to fraction form
    127,684,722.80/191,553,988.08 = 41,416,403.60/x
  3. Step 3: Cross multiply
    127,684,722.80x = 191,553,988.08 × 41,416,403.60
  4. Step 4: Simplify right side
    127,684,722.80x = 7,933,477,281,510,870
  5. Step 5: Solve for x
    x = 7,933,477,281,510,870/127,684,722.80
  6. Step 6: Final answer
    x = 62,133,332.07

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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.