Home / 260,725,931.70-391,088,897.55-137,736,050.10

Finding the Fourth Proportional to 260,725,931.70, 391,088,897.55 and 137,736,050.10

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Solution

The fourth proportional to 260,725,931.70, 391,088,897.55 and 137,736,050.10 is: 206,604,075.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,725,931.70 : 391,088,897.55 = 137,736,050.10 : x
  2. Step 2: Convert to fraction form
    260,725,931.70/391,088,897.55 = 137,736,050.10/x
  3. Step 3: Cross multiply
    260,725,931.70x = 391,088,897.55 × 137,736,050.10
  4. Step 4: Simplify right side
    260,725,931.70x = 53,867,039,986,500,568
  5. Step 5: Solve for x
    x = 53,867,039,986,500,568/260,725,931.70
  6. Step 6: Final answer
    x = 206,604,075.15

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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.