Home / 127,492,710.10-191,239,065.15-41,239,835.80

Finding the Fourth Proportional to 127,492,710.10, 191,239,065.15 and 41,239,835.80

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Solution

The fourth proportional to 127,492,710.10, 191,239,065.15 and 41,239,835.80 is: 61,859,753.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,492,710.10 : 191,239,065.15 = 41,239,835.80 : x
  2. Step 2: Convert to fraction form
    127,492,710.10/191,239,065.15 = 41,239,835.80/x
  3. Step 3: Cross multiply
    127,492,710.10x = 191,239,065.15 × 41,239,835.80
  4. Step 4: Simplify right side
    127,492,710.10x = 7,886,667,645,331,502
  5. Step 5: Solve for x
    x = 7,886,667,645,331,502/127,492,710.10
  6. Step 6: Final answer
    x = 61,859,753.70

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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.