Home / 161,185,345-241,754,396.19-79,282,238.74

Finding the Fourth Proportional to 161,185,345, 241,754,396.19 and 79,282,238.74

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Solution

The fourth proportional to 161,185,345, 241,754,396.19 and 79,282,238.74 is: 118,911,739.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,185,345 : 241,754,396.19 = 79,282,238.74 : x
  2. Step 2: Convert to fraction form
    161,185,345/241,754,396.19 = 79,282,238.74/x
  3. Step 3: Cross multiply
    161,185,345x = 241,754,396.19 × 79,282,238.74
  4. Step 4: Simplify right side
    161,185,345x = 19,166,829,755,180,124
  5. Step 5: Solve for x
    x = 19,166,829,755,180,124/161,185,345
  6. Step 6: Final answer
    x = 118,911,739.50

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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.