Home / 163,531,047.40-245,296,571.34-66,464,013.16

Finding the Fourth Proportional to 163,531,047.40, 245,296,571.34 and 66,464,013.16

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Solution

The fourth proportional to 163,531,047.40, 245,296,571.34 and 66,464,013.16 is: 99,696,019.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,531,047.40 : 245,296,571.34 = 66,464,013.16 : x
  2. Step 2: Convert to fraction form
    163,531,047.40/245,296,571.34 = 66,464,013.16/x
  3. Step 3: Cross multiply
    163,531,047.40x = 245,296,571.34 × 66,464,013.16
  4. Step 4: Simplify right side
    163,531,047.40x = 16,303,394,545,644,638
  5. Step 5: Solve for x
    x = 16,303,394,545,644,638/163,531,047.40
  6. Step 6: Final answer
    x = 99,696,019.84

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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.