Home / 243,285,521.76-364,897,848.48-79,509,577.20

Finding the Fourth Proportional to 243,285,521.76, 364,897,848.48 and 79,509,577.20

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Solution

The fourth proportional to 243,285,521.76, 364,897,848.48 and 79,509,577.20 is: 119,254,419.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,285,521.76 : 364,897,848.48 = 79,509,577.20 : x
  2. Step 2: Convert to fraction form
    243,285,521.76/364,897,848.48 = 79,509,577.20/x
  3. Step 3: Cross multiply
    243,285,521.76x = 364,897,848.48 × 79,509,577.20
  4. Step 4: Simplify right side
    243,285,521.76x = 29,012,873,653,834,464
  5. Step 5: Solve for x
    x = 29,012,873,653,834,464/243,285,521.76
  6. Step 6: Final answer
    x = 119,254,419.43

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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.