Home / 210,144,803.60-315,217,205.40-133,806,256.40

Finding the Fourth Proportional to 210,144,803.60, 315,217,205.40 and 133,806,256.40

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Solution

The fourth proportional to 210,144,803.60, 315,217,205.40 and 133,806,256.40 is: 200,709,384.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,144,803.60 : 315,217,205.40 = 133,806,256.40 : x
  2. Step 2: Convert to fraction form
    210,144,803.60/315,217,205.40 = 133,806,256.40/x
  3. Step 3: Cross multiply
    210,144,803.60x = 315,217,205.40 × 133,806,256.40
  4. Step 4: Simplify right side
    210,144,803.60x = 42,178,034,207,443,864
  5. Step 5: Solve for x
    x = 42,178,034,207,443,864/210,144,803.60
  6. Step 6: Final answer
    x = 200,709,384.60

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1.5x scale

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.