Home / 157,465,390.60-236,198,085.90-71,206,611.40

Finding the Fourth Proportional to 157,465,390.60, 236,198,085.90 and 71,206,611.40

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Solution

The fourth proportional to 157,465,390.60, 236,198,085.90 and 71,206,611.40 is: 106,809,917.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,465,390.60 : 236,198,085.90 = 71,206,611.40 : x
  2. Step 2: Convert to fraction form
    157,465,390.60/236,198,085.90 = 71,206,611.40/x
  3. Step 3: Cross multiply
    157,465,390.60x = 236,198,085.90 × 71,206,611.40
  4. Step 4: Simplify right side
    157,465,390.60x = 16,818,865,316,105,122
  5. Step 5: Solve for x
    x = 16,818,865,316,105,122/157,465,390.60
  6. Step 6: Final answer
    x = 106,809,917.10

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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.