Home / 168,752,355.36-253,152,789.54-52,176,802.72

Finding the Fourth Proportional to 168,752,355.36, 253,152,789.54 and 52,176,802.72

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Solution

The fourth proportional to 168,752,355.36, 253,152,789.54 and 52,176,802.72 is: 78,272,703.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,752,355.36 : 253,152,789.54 = 52,176,802.72 : x
  2. Step 2: Convert to fraction form
    168,752,355.36/253,152,789.54 = 52,176,802.72/x
  3. Step 3: Cross multiply
    168,752,355.36x = 253,152,789.54 × 52,176,802.72
  4. Step 4: Simplify right side
    168,752,355.36x = 13,208,703,157,846,258
  5. Step 5: Solve for x
    x = 13,208,703,157,846,258/168,752,355.36
  6. Step 6: Final answer
    x = 78,272,703.98

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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.