Home / 260,843,322.60-391,312,223.10-131,124,479.40

Finding the Fourth Proportional to 260,843,322.60, 391,312,223.10 and 131,124,479.40

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Solution

The fourth proportional to 260,843,322.60, 391,312,223.10 and 131,124,479.40 is: 196,710,465.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,843,322.60 : 391,312,223.10 = 131,124,479.40 : x
  2. Step 2: Convert to fraction form
    260,843,322.60/391,312,223.10 = 131,124,479.40/x
  3. Step 3: Cross multiply
    260,843,322.60x = 391,312,223.10 × 131,124,479.40
  4. Step 4: Simplify right side
    260,843,322.60x = 51,310,611,536,844,160
  5. Step 5: Solve for x
    x = 51,310,611,536,844,160/260,843,322.60
  6. Step 6: Final answer
    x = 196,710,465.98

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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.