Home / 78,167,865.60-117,195,111.36-52,545,323.52

Finding the Fourth Proportional to 78,167,865.60, 117,195,111.36 and 52,545,323.52

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Solution

The fourth proportional to 78,167,865.60, 117,195,111.36 and 52,545,323.52 is: 78,779,879.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,167,865.60 : 117,195,111.36 = 52,545,323.52 : x
  2. Step 2: Convert to fraction form
    78,167,865.60/117,195,111.36 = 52,545,323.52/x
  3. Step 3: Cross multiply
    78,167,865.60x = 117,195,111.36 × 52,545,323.52
  4. Step 4: Simplify right side
    78,167,865.60x = 6,158,055,041,373,628
  5. Step 5: Solve for x
    x = 6,158,055,041,373,628/78,167,865.60
  6. Step 6: Final answer
    x = 78,779,879.61

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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.