Home / 131,168,345.40-196,752,518.10-40,296,454.20

Finding the Fourth Proportional to 131,168,345.40, 196,752,518.10 and 40,296,454.20

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Solution

The fourth proportional to 131,168,345.40, 196,752,518.10 and 40,296,454.20 is: 60,444,681.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,168,345.40 : 196,752,518.10 = 40,296,454.20 : x
  2. Step 2: Convert to fraction form
    131,168,345.40/196,752,518.10 = 40,296,454.20/x
  3. Step 3: Cross multiply
    131,168,345.40x = 196,752,518.10 × 40,296,454.20
  4. Step 4: Simplify right side
    131,168,345.40x = 7,928,428,834,351,321
  5. Step 5: Solve for x
    x = 7,928,428,834,351,321/131,168,345.40
  6. Step 6: Final answer
    x = 60,444,681.30

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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.