Home / 102,655,689-141,629,975.46-58,571,017.80

Finding the Fourth Proportional to 102,655,689, 141,629,975.46 and 58,571,017.80

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Solution

The fourth proportional to 102,655,689, 141,629,975.46 and 58,571,017.80 is: 80,808,106.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,655,689 : 141,629,975.46 = 58,571,017.80 : x
  2. Step 2: Convert to fraction form
    102,655,689/141,629,975.46 = 58,571,017.80/x
  3. Step 3: Cross multiply
    102,655,689x = 141,629,975.46 × 58,571,017.80
  4. Step 4: Simplify right side
    102,655,689x = 8,295,411,813,681,223
  5. Step 5: Solve for x
    x = 8,295,411,813,681,223/102,655,689
  6. Step 6: Final answer
    x = 80,808,106.15

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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.