Home / 52,477,420.81-78,716,831.07-18,399,761.77

Finding the Fourth Proportional to 52,477,420.81, 78,716,831.07 and 18,399,761.77

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Solution

The fourth proportional to 52,477,420.81, 78,716,831.07 and 18,399,761.77 is: 27,599,888.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,477,420.81 : 78,716,831.07 = 18,399,761.77 : x
  2. Step 2: Convert to fraction form
    52,477,420.81/78,716,831.07 = 18,399,761.77/x
  3. Step 3: Cross multiply
    52,477,420.81x = 78,716,831.07 × 18,399,761.77
  4. Step 4: Simplify right side
    52,477,420.81x = 1,448,370,938,977,334
  5. Step 5: Solve for x
    x = 1,448,370,938,977,334/52,477,420.81
  6. Step 6: Final answer
    x = 27,599,888.04

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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.