Home / 131,573,840.08-181,573,334.76-72,837,485.20

Finding the Fourth Proportional to 131,573,840.08, 181,573,334.76 and 72,837,485.20

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Solution

The fourth proportional to 131,573,840.08, 181,573,334.76 and 72,837,485.20 is: 100,516,524.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,573,840.08 : 181,573,334.76 = 72,837,485.20 : x
  2. Step 2: Convert to fraction form
    131,573,840.08/181,573,334.76 = 72,837,485.20/x
  3. Step 3: Cross multiply
    131,573,840.08x = 181,573,334.76 × 72,837,485.20
  4. Step 4: Simplify right side
    131,573,840.08x = 13,225,345,083,296,146
  5. Step 5: Solve for x
    x = 13,225,345,083,296,146/131,573,840.08
  6. Step 6: Final answer
    x = 100,516,524.22

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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.