Home / 251,963,105.76-347,709,083.06-136,069,601.76

Finding the Fourth Proportional to 251,963,105.76, 347,709,083.06 and 136,069,601.76

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Solution

The fourth proportional to 251,963,105.76, 347,709,083.06 and 136,069,601.76 is: 187,776,048.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,963,105.76 : 347,709,083.06 = 136,069,601.76 : x
  2. Step 2: Convert to fraction form
    251,963,105.76/347,709,083.06 = 136,069,601.76/x
  3. Step 3: Cross multiply
    251,963,105.76x = 347,709,083.06 × 136,069,601.76
  4. Step 4: Simplify right side
    251,963,105.76x = 47,312,636,460,308,960
  5. Step 5: Solve for x
    x = 47,312,636,460,308,960/251,963,105.76
  6. Step 6: Final answer
    x = 187,776,048.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.