Home / 113,120,153.17-169,683,413.75-31,239,031.81

Finding the Fourth Proportional to 113,120,153.17, 169,683,413.75 and 31,239,031.81

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Solution

The fourth proportional to 113,120,153.17, 169,683,413.75 and 31,239,031.81 is: 46,859,427.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,120,153.17 : 169,683,413.75 = 31,239,031.81 : x
  2. Step 2: Convert to fraction form
    113,120,153.17/169,683,413.75 = 31,239,031.81/x
  3. Step 3: Cross multiply
    113,120,153.17x = 169,683,413.75 × 31,239,031.81
  4. Step 4: Simplify right side
    113,120,153.17x = 5,300,745,560,185,642
  5. Step 5: Solve for x
    x = 5,300,745,560,185,642/113,120,153.17
  6. Step 6: Final answer
    x = 46,859,427.01

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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.