Home / 168,006,521.40-252,009,782.10-157,802,854.20

Finding the Fourth Proportional to 168,006,521.40, 252,009,782.10 and 157,802,854.20

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Solution

The fourth proportional to 168,006,521.40, 252,009,782.10 and 157,802,854.20 is: 236,704,281.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,006,521.40 : 252,009,782.10 = 157,802,854.20 : x
  2. Step 2: Convert to fraction form
    168,006,521.40/252,009,782.10 = 157,802,854.20/x
  3. Step 3: Cross multiply
    168,006,521.40x = 252,009,782.10 × 157,802,854.20
  4. Step 4: Simplify right side
    168,006,521.40x = 39,767,862,901,700,064
  5. Step 5: Solve for x
    x = 39,767,862,901,700,064/168,006,521.40
  6. Step 6: Final answer
    x = 236,704,281.30

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1.5x scale

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.