Home / 171,648,015.90-257,472,023.85-42,254,598.30

Finding the Fourth Proportional to 171,648,015.90, 257,472,023.85 and 42,254,598.30

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Solution

The fourth proportional to 171,648,015.90, 257,472,023.85 and 42,254,598.30 is: 63,381,897.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,648,015.90 : 257,472,023.85 = 42,254,598.30 : x
  2. Step 2: Convert to fraction form
    171,648,015.90/257,472,023.85 = 42,254,598.30/x
  3. Step 3: Cross multiply
    171,648,015.90x = 257,472,023.85 × 42,254,598.30
  4. Step 4: Simplify right side
    171,648,015.90x = 10,879,376,941,269,768
  5. Step 5: Solve for x
    x = 10,879,376,941,269,768/171,648,015.90
  6. Step 6: Final answer
    x = 63,381,897.45

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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.