Home / 310,184,721.63-428,053,622.36-170,955,151.11

Finding the Fourth Proportional to 310,184,721.63, 428,053,622.36 and 170,955,151.11

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Solution

The fourth proportional to 310,184,721.63, 428,053,622.36 and 170,955,151.11 is: 235,917,395.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,184,721.63 : 428,053,622.36 = 170,955,151.11 : x
  2. Step 2: Convert to fraction form
    310,184,721.63/428,053,622.36 = 170,955,151.11/x
  3. Step 3: Cross multiply
    310,184,721.63x = 428,053,622.36 × 170,955,151.11
  4. Step 4: Simplify right side
    310,184,721.63x = 73,177,971,692,881,904
  5. Step 5: Solve for x
    x = 73,177,971,692,881,904/310,184,721.63
  6. Step 6: Final answer
    x = 235,917,395.64

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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.