Home / 172,318,966.35-257,134,461.22-153,747,244.23

Finding the Fourth Proportional to 172,318,966.35, 257,134,461.22 and 153,747,244.23

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Solution

The fourth proportional to 172,318,966.35, 257,134,461.22 and 153,747,244.23 is: 229,421,726.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,318,966.35 : 257,134,461.22 = 153,747,244.23 : x
  2. Step 2: Convert to fraction form
    172,318,966.35/257,134,461.22 = 153,747,244.23/x
  3. Step 3: Cross multiply
    172,318,966.35x = 257,134,461.22 × 153,747,244.23
  4. Step 4: Simplify right side
    172,318,966.35x = 39,533,714,808,367,200
  5. Step 5: Solve for x
    x = 39,533,714,808,367,200/172,318,966.35
  6. Step 6: Final answer
    x = 229,421,726.74

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.