Home / 210,833,147.50-290,952,714.96-121,475,706.41

Finding the Fourth Proportional to 210,833,147.50, 290,952,714.96 and 121,475,706.41

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Solution

The fourth proportional to 210,833,147.50, 290,952,714.96 and 121,475,706.41 is: 167,638,186.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,833,147.50 : 290,952,714.96 = 121,475,706.41 : x
  2. Step 2: Convert to fraction form
    210,833,147.50/290,952,714.96 = 121,475,706.41/x
  3. Step 3: Cross multiply
    210,833,147.50x = 290,952,714.96 × 121,475,706.41
  4. Step 4: Simplify right side
    210,833,147.50x = 35,343,686,582,400,752
  5. Step 5: Solve for x
    x = 35,343,686,582,400,752/210,833,147.50
  6. Step 6: Final answer
    x = 167,638,186.89

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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.