Home / 64,877,897.21-89,521,867.36-39,404,060.33

Finding the Fourth Proportional to 64,877,897.21, 89,521,867.36 and 39,404,060.33

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Solution

The fourth proportional to 64,877,897.21, 89,521,867.36 and 39,404,060.33 is: 54,371,753.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,877,897.21 : 89,521,867.36 = 39,404,060.33 : x
  2. Step 2: Convert to fraction form
    64,877,897.21/89,521,867.36 = 39,404,060.33/x
  3. Step 3: Cross multiply
    64,877,897.21x = 89,521,867.36 × 39,404,060.33
  4. Step 4: Simplify right side
    64,877,897.21x = 3,527,525,062,307,697.50
  5. Step 5: Solve for x
    x = 3,527,525,062,307,697.50/64,877,897.21
  6. Step 6: Final answer
    x = 54,371,753.93

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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.