Home / 171,619,412.10-257,429,118.15-152,807,712.90

Finding the Fourth Proportional to 171,619,412.10, 257,429,118.15 and 152,807,712.90

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Solution

The fourth proportional to 171,619,412.10, 257,429,118.15 and 152,807,712.90 is: 229,211,569.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,619,412.10 : 257,429,118.15 = 152,807,712.90 : x
  2. Step 2: Convert to fraction form
    171,619,412.10/257,429,118.15 = 152,807,712.90/x
  3. Step 3: Cross multiply
    171,619,412.10x = 257,429,118.15 × 152,807,712.90
  4. Step 4: Simplify right side
    171,619,412.10x = 39,337,154,778,365,384
  5. Step 5: Solve for x
    x = 39,337,154,778,365,384/171,619,412.10
  6. Step 6: Final answer
    x = 229,211,569.35

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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.