Home / 121,573,566.56-167,771,591.60-65,819,001.40

Finding the Fourth Proportional to 121,573,566.56, 167,771,591.60 and 65,819,001.40

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Solution

The fourth proportional to 121,573,566.56, 167,771,591.60 and 65,819,001.40 is: 90,830,259.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,573,566.56 : 167,771,591.60 = 65,819,001.40 : x
  2. Step 2: Convert to fraction form
    121,573,566.56/167,771,591.60 = 65,819,001.40/x
  3. Step 3: Cross multiply
    121,573,566.56x = 167,771,591.60 × 65,819,001.40
  4. Step 4: Simplify right side
    121,573,566.56x = 11,042,558,622,400,628
  5. Step 5: Solve for x
    x = 11,042,558,622,400,628/121,573,566.56
  6. Step 6: Final answer
    x = 90,830,259.69

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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.