Home / 77,184,002.80-115,776,004.20-46,901,148.40

Finding the Fourth Proportional to 77,184,002.80, 115,776,004.20 and 46,901,148.40

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Solution

The fourth proportional to 77,184,002.80, 115,776,004.20 and 46,901,148.40 is: 70,351,722.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,184,002.80 : 115,776,004.20 = 46,901,148.40 : x
  2. Step 2: Convert to fraction form
    77,184,002.80/115,776,004.20 = 46,901,148.40/x
  3. Step 3: Cross multiply
    77,184,002.80x = 115,776,004.20 × 46,901,148.40
  4. Step 4: Simplify right side
    77,184,002.80x = 5,430,027,554,143,223
  5. Step 5: Solve for x
    x = 5,430,027,554,143,223/77,184,002.80
  6. Step 6: Final answer
    x = 70,351,722.60

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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.