Home / 72,983,897.26-100,718,045.14-39,493,376.64

Finding the Fourth Proportional to 72,983,897.26, 100,718,045.14 and 39,493,376.64

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Solution

The fourth proportional to 72,983,897.26, 100,718,045.14 and 39,493,376.64 is: 54,501,004.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,983,897.26 : 100,718,045.14 = 39,493,376.64 : x
  2. Step 2: Convert to fraction form
    72,983,897.26/100,718,045.14 = 39,493,376.64/x
  3. Step 3: Cross multiply
    72,983,897.26x = 100,718,045.14 × 39,493,376.64
  4. Step 4: Simplify right side
    72,983,897.26x = 3,977,695,691,158,541.50
  5. Step 5: Solve for x
    x = 3,977,695,691,158,541.50/72,983,897.26
  6. Step 6: Final answer
    x = 54,501,004.20

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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.