Home / 255,128,806.50-352,186,582.96-171,545,384.40

Finding the Fourth Proportional to 255,128,806.50, 352,186,582.96 and 171,545,384.40

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Solution

The fourth proportional to 255,128,806.50, 352,186,582.96 and 171,545,384.40 is: 236,805,806.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,128,806.50 : 352,186,582.96 = 171,545,384.40 : x
  2. Step 2: Convert to fraction form
    255,128,806.50/352,186,582.96 = 171,545,384.40/x
  3. Step 3: Cross multiply
    255,128,806.50x = 352,186,582.96 × 171,545,384.40
  4. Step 4: Simplify right side
    255,128,806.50x = 60,415,982,754,395,688
  5. Step 5: Solve for x
    x = 60,415,982,754,395,688/255,128,806.50
  6. Step 6: Final answer
    x = 236,805,806.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.