Home / 199,620,124.40-299,430,186.60-56,012,956.40

Finding the Fourth Proportional to 199,620,124.40, 299,430,186.60 and 56,012,956.40

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Solution

The fourth proportional to 199,620,124.40, 299,430,186.60 and 56,012,956.40 is: 84,019,434.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,620,124.40 : 299,430,186.60 = 56,012,956.40 : x
  2. Step 2: Convert to fraction form
    199,620,124.40/299,430,186.60 = 56,012,956.40/x
  3. Step 3: Cross multiply
    199,620,124.40x = 299,430,186.60 × 56,012,956.40
  4. Step 4: Simplify right side
    199,620,124.40x = 16,771,969,986,869,666
  5. Step 5: Solve for x
    x = 16,771,969,986,869,666/199,620,124.40
  6. Step 6: Final answer
    x = 84,019,434.60

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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.