Home / 90,817,897.98-136,116,174.64-47,074,540.35

Finding the Fourth Proportional to 90,817,897.98, 136,116,174.64 and 47,074,540.35

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Solution

The fourth proportional to 90,817,897.98, 136,116,174.64 and 47,074,540.35 is: 70,554,444.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,817,897.98 : 136,116,174.64 = 47,074,540.35 : x
  2. Step 2: Convert to fraction form
    90,817,897.98/136,116,174.64 = 47,074,540.35/x
  3. Step 3: Cross multiply
    90,817,897.98x = 136,116,174.64 × 47,074,540.35
  4. Step 4: Simplify right side
    90,817,897.98x = 6,407,606,355,378,326
  5. Step 5: Solve for x
    x = 6,407,606,355,378,326/90,817,897.98
  6. Step 6: Final answer
    x = 70,554,444.64

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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.