Home / 127,333,999.30-191,000,998.95-45,492,085.30

Finding the Fourth Proportional to 127,333,999.30, 191,000,998.95 and 45,492,085.30

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Solution

The fourth proportional to 127,333,999.30, 191,000,998.95 and 45,492,085.30 is: 68,238,127.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,333,999.30 : 191,000,998.95 = 45,492,085.30 : x
  2. Step 2: Convert to fraction form
    127,333,999.30/191,000,998.95 = 45,492,085.30/x
  3. Step 3: Cross multiply
    127,333,999.30x = 191,000,998.95 × 45,492,085.30
  4. Step 4: Simplify right side
    127,333,999.30x = 8,689,033,736,618,609
  5. Step 5: Solve for x
    x = 8,689,033,736,618,609/127,333,999.30
  6. Step 6: Final answer
    x = 68,238,127.95

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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.