Home / 145,367,073.62-218,147,577.96-75,401,784.62

Finding the Fourth Proportional to 145,367,073.62, 218,147,577.96 and 75,401,784.62

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Solution

The fourth proportional to 145,367,073.62, 218,147,577.96 and 75,401,784.62 is: 113,152,973.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,367,073.62 : 218,147,577.96 = 75,401,784.62 : x
  2. Step 2: Convert to fraction form
    145,367,073.62/218,147,577.96 = 75,401,784.62/x
  3. Step 3: Cross multiply
    145,367,073.62x = 218,147,577.96 × 75,401,784.62
  4. Step 4: Simplify right side
    145,367,073.62x = 16,448,716,688,714,580
  5. Step 5: Solve for x
    x = 16,448,716,688,714,580/145,367,073.62
  6. Step 6: Final answer
    x = 113,152,973.91

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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.