Home / 72,169,555.36-108,346,712.60-61,999,480.48

Finding the Fourth Proportional to 72,169,555.36, 108,346,712.60 and 61,999,480.48

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Solution

The fourth proportional to 72,169,555.36, 108,346,712.60 and 61,999,480.48 is: 93,078,582.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,169,555.36 : 108,346,712.60 = 61,999,480.48 : x
  2. Step 2: Convert to fraction form
    72,169,555.36/108,346,712.60 = 61,999,480.48/x
  3. Step 3: Cross multiply
    72,169,555.36x = 108,346,712.60 × 61,999,480.48
  4. Step 4: Simplify right side
    72,169,555.36x = 6,717,439,892,915,869
  5. Step 5: Solve for x
    x = 6,717,439,892,915,869/72,169,555.36
  6. Step 6: Final answer
    x = 93,078,582.23

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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.