Home / 171,648,666.80-257,473,000.20-63,920,999.60

Finding the Fourth Proportional to 171,648,666.80, 257,473,000.20 and 63,920,999.60

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Solution

The fourth proportional to 171,648,666.80, 257,473,000.20 and 63,920,999.60 is: 95,881,499.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,648,666.80 : 257,473,000.20 = 63,920,999.60 : x
  2. Step 2: Convert to fraction form
    171,648,666.80/257,473,000.20 = 63,920,999.60/x
  3. Step 3: Cross multiply
    171,648,666.80x = 257,473,000.20 × 63,920,999.60
  4. Step 4: Simplify right side
    171,648,666.80x = 16,457,931,542,795,000
  5. Step 5: Solve for x
    x = 16,457,931,542,795,000/171,648,666.80
  6. Step 6: Final answer
    x = 95,881,499.40

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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.