Home / 140,409,637.20-210,614,455.80-122,493,733.20

Finding the Fourth Proportional to 140,409,637.20, 210,614,455.80 and 122,493,733.20

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Solution

The fourth proportional to 140,409,637.20, 210,614,455.80 and 122,493,733.20 is: 183,740,599.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,409,637.20 : 210,614,455.80 = 122,493,733.20 : x
  2. Step 2: Convert to fraction form
    140,409,637.20/210,614,455.80 = 122,493,733.20/x
  3. Step 3: Cross multiply
    140,409,637.20x = 210,614,455.80 × 122,493,733.20
  4. Step 4: Simplify right side
    140,409,637.20x = 25,798,950,956,828,396
  5. Step 5: Solve for x
    x = 25,798,950,956,828,396/140,409,637.20
  6. Step 6: Final answer
    x = 183,740,599.80

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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.