Home / 161,828,720.20-242,967,029.10-127,788,502.60

Finding the Fourth Proportional to 161,828,720.20, 242,967,029.10 and 127,788,502.60

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Solution

The fourth proportional to 161,828,720.20, 242,967,029.10 and 127,788,502.60 is: 191,859,595.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,828,720.20 : 242,967,029.10 = 127,788,502.60 : x
  2. Step 2: Convert to fraction form
    161,828,720.20/242,967,029.10 = 127,788,502.60/x
  3. Step 3: Cross multiply
    161,828,720.20x = 242,967,029.10 × 127,788,502.60
  4. Step 4: Simplify right side
    161,828,720.20x = 31,048,392,829,859,624
  5. Step 5: Solve for x
    x = 31,048,392,829,859,624/161,828,720.20
  6. Step 6: Final answer
    x = 191,859,595.70

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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.