Home / 98,976,603.48-136,590,844.80-57,159,912.36

Finding the Fourth Proportional to 98,976,603.48, 136,590,844.80 and 57,159,912.36

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Solution

The fourth proportional to 98,976,603.48, 136,590,844.80 and 57,159,912.36 is: 78,882,487.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,976,603.48 : 136,590,844.80 = 57,159,912.36 : x
  2. Step 2: Convert to fraction form
    98,976,603.48/136,590,844.80 = 57,159,912.36/x
  3. Step 3: Cross multiply
    98,976,603.48x = 136,590,844.80 × 57,159,912.36
  4. Step 4: Simplify right side
    98,976,603.48x = 7,807,520,717,946,362
  5. Step 5: Solve for x
    x = 7,807,520,717,946,362/98,976,603.48
  6. Step 6: Final answer
    x = 78,882,487.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.