Home / 157,816,437,831.18-236,724,652,171.98-72,801,079,036.74

Finding the Fourth Proportional to 157,816,437,831.18, 236,724,652,171.98 and 72,801,079,036.74

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Solution

The fourth proportional to 157,816,437,831.18, 236,724,652,171.98 and 72,801,079,036.74 is: 109,201,616,444.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,816,437,831.18 : 236,724,652,171.98 = 72,801,079,036.74 : x
  2. Step 2: Convert to fraction form
    157,816,437,831.18/236,724,652,171.98 = 72,801,079,036.74/x
  3. Step 3: Cross multiply
    157,816,437,831.18x = 236,724,652,171.98 × 72,801,079,036.74
  4. Step 4: Simplify right side
    157,816,437,831.18x = 17,233,810,112,717,103,562,752
  5. Step 5: Solve for x
    x = 17,233,810,112,717,103,562,752/157,816,437,831.18
  6. Step 6: Final answer
    x = 109,201,616,444.75

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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.