Home / 309,410,569.02-426,994,663.20-170,184,984.45

Finding the Fourth Proportional to 309,410,569.02, 426,994,663.20 and 170,184,984.45

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Solution

The fourth proportional to 309,410,569.02, 426,994,663.20 and 170,184,984.45 is: 234,859,721.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,410,569.02 : 426,994,663.20 = 170,184,984.45 : x
  2. Step 2: Convert to fraction form
    309,410,569.02/426,994,663.20 = 170,184,984.45/x
  3. Step 3: Cross multiply
    309,410,569.02x = 426,994,663.20 × 170,184,984.45
  4. Step 4: Simplify right side
    309,410,569.02x = 72,668,080,116,924,976
  5. Step 5: Solve for x
    x = 72,668,080,116,924,976/309,410,569.02
  6. Step 6: Final answer
    x = 234,859,721.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.