Home / 172,033,739.60-257,882,647.80-153,893,886.80

Finding the Fourth Proportional to 172,033,739.60, 257,882,647.80 and 153,893,886.80

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Solution

The fourth proportional to 172,033,739.60, 257,882,647.80 and 153,893,886.80 is: 230,690,579.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,033,739.60 : 257,882,647.80 = 153,893,886.80 : x
  2. Step 2: Convert to fraction form
    172,033,739.60/257,882,647.80 = 153,893,886.80/x
  3. Step 3: Cross multiply
    172,033,739.60x = 257,882,647.80 × 153,893,886.80
  4. Step 4: Simplify right side
    172,033,739.60x = 39,686,563,008,217,472
  5. Step 5: Solve for x
    x = 39,686,563,008,217,472/172,033,739.60
  6. Step 6: Final answer
    x = 230,690,579.07

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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.