Home / 140,147,712.40-210,184,243.80-43,103,232.40

Finding the Fourth Proportional to 140,147,712.40, 210,184,243.80 and 43,103,232.40

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Solution

The fourth proportional to 140,147,712.40, 210,184,243.80 and 43,103,232.40 is: 64,643,369.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,147,712.40 : 210,184,243.80 = 43,103,232.40 : x
  2. Step 2: Convert to fraction form
    140,147,712.40/210,184,243.80 = 43,103,232.40/x
  3. Step 3: Cross multiply
    140,147,712.40x = 210,184,243.80 × 43,103,232.40
  4. Step 4: Simplify right side
    140,147,712.40x = 9,059,620,307,329,660
  5. Step 5: Solve for x
    x = 9,059,620,307,329,660/140,147,712.40
  6. Step 6: Final answer
    x = 64,643,369.14

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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.