Home / 113,783,927.25-157,022,232.95-61,572,957.21

Finding the Fourth Proportional to 113,783,927.25, 157,022,232.95 and 61,572,957.21

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Solution

The fourth proportional to 113,783,927.25, 157,022,232.95 and 61,572,957.21 is: 84,970,904.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,783,927.25 : 157,022,232.95 = 61,572,957.21 : x
  2. Step 2: Convert to fraction form
    113,783,927.25/157,022,232.95 = 61,572,957.21/x
  3. Step 3: Cross multiply
    113,783,927.25x = 157,022,232.95 × 61,572,957.21
  4. Step 4: Simplify right side
    113,783,927.25x = 9,668,323,230,141,136
  5. Step 5: Solve for x
    x = 9,668,323,230,141,136/113,783,927.25
  6. Step 6: Final answer
    x = 84,970,904.62

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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.