Home / 151,142,591,831.45-208,575,403,572.38-82,553,990,681.75

Finding the Fourth Proportional to 151,142,591,831.45, 208,575,403,572.38 and 82,553,990,681.75

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Solution

The fourth proportional to 151,142,591,831.45, 208,575,403,572.38 and 82,553,990,681.75 is: 113,923,757,124.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,142,591,831.45 : 208,575,403,572.38 = 82,553,990,681.75 : x
  2. Step 2: Convert to fraction form
    151,142,591,831.45/208,575,403,572.38 = 82,553,990,681.75/x
  3. Step 3: Cross multiply
    151,142,591,831.45x = 208,575,403,572.38 × 82,553,990,681.75
  4. Step 4: Simplify right side
    151,142,591,831.45x = 17,218,731,922,956,920,815,616
  5. Step 5: Solve for x
    x = 17,218,731,922,956,920,815,616/151,142,591,831.45
  6. Step 6: Final answer
    x = 113,923,757,124.39

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1.5x scale

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.