Home / 121,573,564.56-167,771,588.84-65,818,999.40

Finding the Fourth Proportional to 121,573,564.56, 167,771,588.84 and 65,818,999.40

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Solution

The fourth proportional to 121,573,564.56, 167,771,588.84 and 65,818,999.40 is: 90,830,256.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,573,564.56 : 167,771,588.84 = 65,818,999.40 : x
  2. Step 2: Convert to fraction form
    121,573,564.56/167,771,588.84 = 65,818,999.40/x
  3. Step 3: Cross multiply
    121,573,564.56x = 167,771,588.84 × 65,818,999.40
  4. Step 4: Simplify right side
    121,573,564.56x = 11,042,558,105,197,006
  5. Step 5: Solve for x
    x = 11,042,558,105,197,006/121,573,564.56
  6. Step 6: Final answer
    x = 90,830,256.93

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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.