Home / 102,507,728.51-141,460,573.23-57,863,099.86

Finding the Fourth Proportional to 102,507,728.51, 141,460,573.23 and 57,863,099.86

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Solution

The fourth proportional to 102,507,728.51, 141,460,573.23 and 57,863,099.86 is: 79,851,025.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,507,728.51 : 141,460,573.23 = 57,863,099.86 : x
  2. Step 2: Convert to fraction form
    102,507,728.51/141,460,573.23 = 57,863,099.86/x
  3. Step 3: Cross multiply
    102,507,728.51x = 141,460,573.23 × 57,863,099.86
  4. Step 4: Simplify right side
    102,507,728.51x = 8,185,347,274,706,681
  5. Step 5: Solve for x
    x = 8,185,347,274,706,681/102,507,728.51
  6. Step 6: Final answer
    x = 79,851,025.81

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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.