Home / 256,902,431.09-385,267,279.10-93,105,901.44

Finding the Fourth Proportional to 256,902,431.09, 385,267,279.10 and 93,105,901.44

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Solution

The fourth proportional to 256,902,431.09, 385,267,279.10 and 93,105,901.44 is: 139,627,551.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,902,431.09 : 385,267,279.10 = 93,105,901.44 : x
  2. Step 2: Convert to fraction form
    256,902,431.09/385,267,279.10 = 93,105,901.44/x
  3. Step 3: Cross multiply
    256,902,431.09x = 385,267,279.10 × 93,105,901.44
  4. Step 4: Simplify right side
    256,902,431.09x = 35,870,657,315,476,044
  5. Step 5: Solve for x
    x = 35,870,657,315,476,044/256,902,431.09
  6. Step 6: Final answer
    x = 139,627,551.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.