Home / 72,927,009.36-100,635,202.44-39,880,737.36

Finding the Fourth Proportional to 72,927,009.36, 100,635,202.44 and 39,880,737.36

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Solution

The fourth proportional to 72,927,009.36, 100,635,202.44 and 39,880,737.36 is: 55,033,191.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,927,009.36 : 100,635,202.44 = 39,880,737.36 : x
  2. Step 2: Convert to fraction form
    72,927,009.36/100,635,202.44 = 39,880,737.36/x
  3. Step 3: Cross multiply
    72,927,009.36x = 100,635,202.44 × 39,880,737.36
  4. Step 4: Simplify right side
    72,927,009.36x = 4,013,406,077,680,071
  5. Step 5: Solve for x
    x = 4,013,406,077,680,071/72,927,009.36
  6. Step 6: Final answer
    x = 55,033,191.58

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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.