Home / 258,833,550.16-357,199,112.64-153,077,621.55

Finding the Fourth Proportional to 258,833,550.16, 357,199,112.64 and 153,077,621.55

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Solution

The fourth proportional to 258,833,550.16, 357,199,112.64 and 153,077,621.55 is: 211,252,330.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,833,550.16 : 357,199,112.64 = 153,077,621.55 : x
  2. Step 2: Convert to fraction form
    258,833,550.16/357,199,112.64 = 153,077,621.55/x
  3. Step 3: Cross multiply
    258,833,550.16x = 357,199,112.64 × 153,077,621.55
  4. Step 4: Simplify right side
    258,833,550.16x = 54,679,190,582,701,744
  5. Step 5: Solve for x
    x = 54,679,190,582,701,744/258,833,550.16
  6. Step 6: Final answer
    x = 211,252,330.11

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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.