Home / 258,708,931.70-357,016,509.55-141,234,261.93

Finding the Fourth Proportional to 258,708,931.70, 357,016,509.55 and 141,234,261.93

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Solution

The fourth proportional to 258,708,931.70, 357,016,509.55 and 141,234,261.93 is: 194,902,289.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,708,931.70 : 357,016,509.55 = 141,234,261.93 : x
  2. Step 2: Convert to fraction form
    258,708,931.70/357,016,509.55 = 141,234,261.93/x
  3. Step 3: Cross multiply
    258,708,931.70x = 357,016,509.55 × 141,234,261.93
  4. Step 4: Simplify right side
    258,708,931.70x = 50,422,963,222,500,448
  5. Step 5: Solve for x
    x = 50,422,963,222,500,448/258,708,931.70
  6. Step 6: Final answer
    x = 194,902,289.97

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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.