Home / 111,223,012.40-166,834,518.60-106,688,049.20

Finding the Fourth Proportional to 111,223,012.40, 166,834,518.60 and 106,688,049.20

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Solution

The fourth proportional to 111,223,012.40, 166,834,518.60 and 106,688,049.20 is: 160,032,073.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,223,012.40 : 166,834,518.60 = 106,688,049.20 : x
  2. Step 2: Convert to fraction form
    111,223,012.40/166,834,518.60 = 106,688,049.20/x
  3. Step 3: Cross multiply
    111,223,012.40x = 166,834,518.60 × 106,688,049.20
  4. Step 4: Simplify right side
    111,223,012.40x = 17,799,249,328,655,114
  5. Step 5: Solve for x
    x = 17,799,249,328,655,114/111,223,012.40
  6. Step 6: Final answer
    x = 160,032,073.80

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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.