Home / 131,737,061.83-181,796,655.63-72,999,680.40

Finding the Fourth Proportional to 131,737,061.83, 181,796,655.63 and 72,999,680.40

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Solution

The fourth proportional to 131,737,061.83, 181,796,655.63 and 72,999,680.40 is: 100,739,287.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,737,061.83 : 181,796,655.63 = 72,999,680.40 : x
  2. Step 2: Convert to fraction form
    131,737,061.83/181,796,655.63 = 72,999,680.40/x
  3. Step 3: Cross multiply
    131,737,061.83x = 181,796,655.63 × 72,999,680.40
  4. Step 4: Simplify right side
    131,737,061.83x = 13,271,097,758,336,266
  5. Step 5: Solve for x
    x = 13,271,097,758,336,266/131,737,061.83
  6. Step 6: Final answer
    x = 100,739,287.59

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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.