Home / 171,648,015.40-257,472,023.10-42,254,597.80

Finding the Fourth Proportional to 171,648,015.40, 257,472,023.10 and 42,254,597.80

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Solution

The fourth proportional to 171,648,015.40, 257,472,023.10 and 42,254,597.80 is: 63,381,896.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,648,015.40 : 257,472,023.10 = 42,254,597.80 : x
  2. Step 2: Convert to fraction form
    171,648,015.40/257,472,023.10 = 42,254,597.80/x
  3. Step 3: Cross multiply
    171,648,015.40x = 257,472,023.10 × 42,254,597.80
  4. Step 4: Simplify right side
    171,648,015.40x = 10,879,376,780,842,808
  5. Step 5: Solve for x
    x = 10,879,376,780,842,808/171,648,015.40
  6. Step 6: Final answer
    x = 63,381,896.70

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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.