Home / 196,916,211.48-271,918,674-122,703,428.28

Finding the Fourth Proportional to 196,916,211.48, 271,918,674 and 122,703,428.28

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Solution

The fourth proportional to 196,916,211.48, 271,918,674 and 122,703,428.28 is: 169,439,343.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,916,211.48 : 271,918,674 = 122,703,428.28 : x
  2. Step 2: Convert to fraction form
    196,916,211.48/271,918,674 = 122,703,428.28/x
  3. Step 3: Cross multiply
    196,916,211.48x = 271,918,674 × 122,703,428.28
  4. Step 4: Simplify right side
    196,916,211.48x = 33,365,353,513,151,700
  5. Step 5: Solve for x
    x = 33,365,353,513,151,700/196,916,211.48
  6. Step 6: Final answer
    x = 169,439,343.07

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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.