Home / 124,416,657.80-186,624,986.70-79,179,000.20

Finding the Fourth Proportional to 124,416,657.80, 186,624,986.70 and 79,179,000.20

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Solution

The fourth proportional to 124,416,657.80, 186,624,986.70 and 79,179,000.20 is: 118,768,500.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,416,657.80 : 186,624,986.70 = 79,179,000.20 : x
  2. Step 2: Convert to fraction form
    124,416,657.80/186,624,986.70 = 79,179,000.20/x
  3. Step 3: Cross multiply
    124,416,657.80x = 186,624,986.70 × 79,179,000.20
  4. Step 4: Simplify right side
    124,416,657.80x = 14,776,779,859,244,296
  5. Step 5: Solve for x
    x = 14,776,779,859,244,296/124,416,657.80
  6. Step 6: Final answer
    x = 118,768,500.30

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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.