Home / 131,737,062.83-181,796,657.01-72,999,681.40

Finding the Fourth Proportional to 131,737,062.83, 181,796,657.01 and 72,999,681.40

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Solution

The fourth proportional to 131,737,062.83, 181,796,657.01 and 72,999,681.40 is: 100,739,288.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,737,062.83 : 181,796,657.01 = 72,999,681.40 : x
  2. Step 2: Convert to fraction form
    131,737,062.83/181,796,657.01 = 72,999,681.40/x
  3. Step 3: Cross multiply
    131,737,062.83x = 181,796,657.01 × 72,999,681.40
  4. Step 4: Simplify right side
    131,737,062.83x = 13,271,098,041,315,078
  5. Step 5: Solve for x
    x = 13,271,098,041,315,078/131,737,062.83
  6. Step 6: Final answer
    x = 100,739,288.98

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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.