Home / 54,437,831.10-75,123,980.36-29,657,940.81

Finding the Fourth Proportional to 54,437,831.10, 75,123,980.36 and 29,657,940.81

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Solution

The fourth proportional to 54,437,831.10, 75,123,980.36 and 29,657,940.81 is: 40,927,834.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,437,831.10 : 75,123,980.36 = 29,657,940.81 : x
  2. Step 2: Convert to fraction form
    54,437,831.10/75,123,980.36 = 29,657,940.81/x
  3. Step 3: Cross multiply
    54,437,831.10x = 75,123,980.36 × 29,657,940.81
  4. Step 4: Simplify right side
    54,437,831.10x = 2,228,022,562,928,482.25
  5. Step 5: Solve for x
    x = 2,228,022,562,928,482.25/54,437,831.10
  6. Step 6: Final answer
    x = 40,927,834.89

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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.