Home / 105,013,135.26-157,519,702.88-28,336,040.46

Finding the Fourth Proportional to 105,013,135.26, 157,519,702.88 and 28,336,040.46

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Solution

The fourth proportional to 105,013,135.26, 157,519,702.88 and 28,336,040.46 is: 42,504,060.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,013,135.26 : 157,519,702.88 = 28,336,040.46 : x
  2. Step 2: Convert to fraction form
    105,013,135.26/157,519,702.88 = 28,336,040.46/x
  3. Step 3: Cross multiply
    105,013,135.26x = 157,519,702.88 × 28,336,040.46
  4. Step 4: Simplify right side
    105,013,135.26x = 4,463,484,674,054,858.50
  5. Step 5: Solve for x
    x = 4,463,484,674,054,858.50/105,013,135.26
  6. Step 6: Final answer
    x = 42,504,060.69

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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.