Home / 156,528,000.20-234,792,000.30-139,309,311.80

Finding the Fourth Proportional to 156,528,000.20, 234,792,000.30 and 139,309,311.80

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Solution

The fourth proportional to 156,528,000.20, 234,792,000.30 and 139,309,311.80 is: 208,963,967.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,528,000.20 : 234,792,000.30 = 139,309,311.80 : x
  2. Step 2: Convert to fraction form
    156,528,000.20/234,792,000.30 = 139,309,311.80/x
  3. Step 3: Cross multiply
    156,528,000.20x = 234,792,000.30 × 139,309,311.80
  4. Step 4: Simplify right side
    156,528,000.20x = 32,708,711,977,938,396
  5. Step 5: Solve for x
    x = 32,708,711,977,938,396/156,528,000.20
  6. Step 6: Final answer
    x = 208,963,967.70

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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.