Home / 78,014,316.60-116,797,526.10-75,774,828.60

Finding the Fourth Proportional to 78,014,316.60, 116,797,526.10 and 75,774,828.60

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Solution

The fourth proportional to 78,014,316.60, 116,797,526.10 and 75,774,828.60 is: 113,444,722.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,014,316.60 : 116,797,526.10 = 75,774,828.60 : x
  2. Step 2: Convert to fraction form
    78,014,316.60/116,797,526.10 = 75,774,828.60/x
  3. Step 3: Cross multiply
    78,014,316.60x = 116,797,526.10 × 75,774,828.60
  4. Step 4: Simplify right side
    78,014,316.60x = 8,850,312,521,131,525
  5. Step 5: Solve for x
    x = 8,850,312,521,131,525/78,014,316.60
  6. Step 6: Final answer
    x = 113,444,722.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.