Home / 78,972,600.30-118,528,884.45-46,584,005.10

Finding the Fourth Proportional to 78,972,600.30, 118,528,884.45 and 46,584,005.10

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Solution

The fourth proportional to 78,972,600.30, 118,528,884.45 and 46,584,005.10 is: 69,917,289.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,972,600.30 : 118,528,884.45 = 46,584,005.10 : x
  2. Step 2: Convert to fraction form
    78,972,600.30/118,528,884.45 = 46,584,005.10/x
  3. Step 3: Cross multiply
    78,972,600.30x = 118,528,884.45 × 46,584,005.10
  4. Step 4: Simplify right side
    78,972,600.30x = 5,521,550,157,716,111
  5. Step 5: Solve for x
    x = 5,521,550,157,716,111/78,972,600.30
  6. Step 6: Final answer
    x = 69,917,289.50

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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.