Home / 120,292,088.04-166,004,674.02-65,288,603.88

Finding the Fourth Proportional to 120,292,088.04, 166,004,674.02 and 65,288,603.88

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Solution

The fourth proportional to 120,292,088.04, 166,004,674.02 and 65,288,603.88 is: 90,099,137.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,292,088.04 : 166,004,674.02 = 65,288,603.88 : x
  2. Step 2: Convert to fraction form
    120,292,088.04/166,004,674.02 = 65,288,603.88/x
  3. Step 3: Cross multiply
    120,292,088.04x = 166,004,674.02 × 65,288,603.88
  4. Step 4: Simplify right side
    120,292,088.04x = 10,838,213,404,320,308
  5. Step 5: Solve for x
    x = 10,838,213,404,320,308/120,292,088.04
  6. Step 6: Final answer
    x = 90,099,137.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.