Home / 173,387,009.60-239,264,880.72-99,032,968.88

Finding the Fourth Proportional to 173,387,009.60, 239,264,880.72 and 99,032,968.88

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Solution

The fourth proportional to 173,387,009.60, 239,264,880.72 and 99,032,968.88 is: 136,660,246.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,387,009.60 : 239,264,880.72 = 99,032,968.88 : x
  2. Step 2: Convert to fraction form
    173,387,009.60/239,264,880.72 = 99,032,968.88/x
  3. Step 3: Cross multiply
    173,387,009.60x = 239,264,880.72 × 99,032,968.88
  4. Step 4: Simplify right side
    173,387,009.60x = 23,695,111,486,420,672
  5. Step 5: Solve for x
    x = 23,695,111,486,420,672/173,387,009.60
  6. Step 6: Final answer
    x = 136,660,246.58

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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.