Home / 258,828,247.63-388,250,343.06-113,186,841.58

Finding the Fourth Proportional to 258,828,247.63, 388,250,343.06 and 113,186,841.58

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Solution

The fourth proportional to 258,828,247.63, 388,250,343.06 and 113,186,841.58 is: 169,783,748.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,828,247.63 : 388,250,343.06 = 113,186,841.58 : x
  2. Step 2: Convert to fraction form
    258,828,247.63/388,250,343.06 = 113,186,841.58/x
  3. Step 3: Cross multiply
    258,828,247.63x = 388,250,343.06 × 113,186,841.58
  4. Step 4: Simplify right side
    258,828,247.63x = 43,944,830,070,805,688
  5. Step 5: Solve for x
    x = 43,944,830,070,805,688/258,828,247.63
  6. Step 6: Final answer
    x = 169,783,748.39

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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.