Home / 210,104,985.60-314,541,619.20-149,638,809.60

Finding the Fourth Proportional to 210,104,985.60, 314,541,619.20 and 149,638,809.60

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Solution

The fourth proportional to 210,104,985.60, 314,541,619.20 and 149,638,809.60 is: 224,019,593.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,104,985.60 : 314,541,619.20 = 149,638,809.60 : x
  2. Step 2: Convert to fraction form
    210,104,985.60/314,541,619.20 = 149,638,809.60/x
  3. Step 3: Cross multiply
    210,104,985.60x = 314,541,619.20 × 149,638,809.60
  4. Step 4: Simplify right side
    210,104,985.60x = 47,067,633,466,744,504
  5. Step 5: Solve for x
    x = 47,067,633,466,744,504/210,104,985.60
  6. Step 6: Final answer
    x = 224,019,593.50

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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.