Home / 146,385,866.88-202,011,036.48-81,194,094.72

Finding the Fourth Proportional to 146,385,866.88, 202,011,036.48 and 81,194,094.72

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Solution

The fourth proportional to 146,385,866.88, 202,011,036.48 and 81,194,094.72 is: 112,047,041.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,385,866.88 : 202,011,036.48 = 81,194,094.72 : x
  2. Step 2: Convert to fraction form
    146,385,866.88/202,011,036.48 = 81,194,094.72/x
  3. Step 3: Cross multiply
    146,385,866.88x = 202,011,036.48 × 81,194,094.72
  4. Step 4: Simplify right side
    146,385,866.88x = 16,402,103,230,442,494
  5. Step 5: Solve for x
    x = 16,402,103,230,442,494/146,385,866.88
  6. Step 6: Final answer
    x = 112,047,041.02

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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.