Home / 127,334,007.80-191,001,011.70-45,492,093.80

Finding the Fourth Proportional to 127,334,007.80, 191,001,011.70 and 45,492,093.80

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Solution

The fourth proportional to 127,334,007.80, 191,001,011.70 and 45,492,093.80 is: 68,238,140.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,334,007.80 : 191,001,011.70 = 45,492,093.80 : x
  2. Step 2: Convert to fraction form
    127,334,007.80/191,001,011.70 = 45,492,093.80/x
  3. Step 3: Cross multiply
    127,334,007.80x = 191,001,011.70 × 45,492,093.80
  4. Step 4: Simplify right side
    127,334,007.80x = 8,689,035,940,151,296
  5. Step 5: Solve for x
    x = 8,689,035,940,151,296/127,334,007.80
  6. Step 6: Final answer
    x = 68,238,140.70

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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.