Home / 282,736,927.20-424,058,151.60-78,285,669.60

Finding the Fourth Proportional to 282,736,927.20, 424,058,151.60 and 78,285,669.60

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Solution

The fourth proportional to 282,736,927.20, 424,058,151.60 and 78,285,669.60 is: 117,415,424.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,736,927.20 : 424,058,151.60 = 78,285,669.60 : x
  2. Step 2: Convert to fraction form
    282,736,927.20/424,058,151.60 = 78,285,669.60/x
  3. Step 3: Cross multiply
    282,736,927.20x = 424,058,151.60 × 78,285,669.60
  4. Step 4: Simplify right side
    282,736,927.20x = 33,197,676,347,344,312
  5. Step 5: Solve for x
    x = 33,197,676,347,344,312/282,736,927.20
  6. Step 6: Final answer
    x = 117,415,424.56

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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.