Home / 70,868,000.80-106,302,001.20-17,015,312.80

Finding the Fourth Proportional to 70,868,000.80, 106,302,001.20 and 17,015,312.80

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Solution

The fourth proportional to 70,868,000.80, 106,302,001.20 and 17,015,312.80 is: 25,522,969.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,868,000.80 : 106,302,001.20 = 17,015,312.80 : x
  2. Step 2: Convert to fraction form
    70,868,000.80/106,302,001.20 = 17,015,312.80/x
  3. Step 3: Cross multiply
    70,868,000.80x = 106,302,001.20 × 17,015,312.80
  4. Step 4: Simplify right side
    70,868,000.80x = 1,808,761,801,683,975.50
  5. Step 5: Solve for x
    x = 1,808,761,801,683,975.50/70,868,000.80
  6. Step 6: Final answer
    x = 25,522,969.20

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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.