Home / 100,896,970.48-139,237,816.79-54,487,220.60

Finding the Fourth Proportional to 100,896,970.48, 139,237,816.79 and 54,487,220.60

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Solution

The fourth proportional to 100,896,970.48, 139,237,816.79 and 54,487,220.60 is: 75,192,363.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,896,970.48 : 139,237,816.79 = 54,487,220.60 : x
  2. Step 2: Convert to fraction form
    100,896,970.48/139,237,816.79 = 54,487,220.60/x
  3. Step 3: Cross multiply
    100,896,970.48x = 139,237,816.79 × 54,487,220.60
  4. Step 4: Simplify right side
    100,896,970.48x = 7,586,681,639,783,426
  5. Step 5: Solve for x
    x = 7,586,681,639,783,426/100,896,970.48
  6. Step 6: Final answer
    x = 75,192,363.10

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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.