Home / 117,262,910.79-161,822,323.65-65,051,946.46

Finding the Fourth Proportional to 117,262,910.79, 161,822,323.65 and 65,051,946.46

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Solution

The fourth proportional to 117,262,910.79, 161,822,323.65 and 65,051,946.46 is: 89,771,412.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,262,910.79 : 161,822,323.65 = 65,051,946.46 : x
  2. Step 2: Convert to fraction form
    117,262,910.79/161,822,323.65 = 65,051,946.46/x
  3. Step 3: Cross multiply
    117,262,910.79x = 161,822,323.65 × 65,051,946.46
  4. Step 4: Simplify right side
    117,262,910.79x = 10,526,857,133,670,440
  5. Step 5: Solve for x
    x = 10,526,857,133,670,440/117,262,910.79
  6. Step 6: Final answer
    x = 89,771,412.48

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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.