Home / 296,788,259.09-445,186,177.26-78,436,714.71

Finding the Fourth Proportional to 296,788,259.09, 445,186,177.26 and 78,436,714.71

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Solution

The fourth proportional to 296,788,259.09, 445,186,177.26 and 78,436,714.71 is: 117,656,073.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,788,259.09 : 445,186,177.26 = 78,436,714.71 : x
  2. Step 2: Convert to fraction form
    296,788,259.09/445,186,177.26 = 78,436,714.71/x
  3. Step 3: Cross multiply
    296,788,259.09x = 445,186,177.26 × 78,436,714.71
  4. Step 4: Simplify right side
    296,788,259.09x = 34,918,941,178,578,104
  5. Step 5: Solve for x
    x = 34,918,941,178,578,104/296,788,259.09
  6. Step 6: Final answer
    x = 117,656,073.34

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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.