Home / 163,128,009,349.32-244,729,868,107.14-51,330,078,816.72

Finding the Fourth Proportional to 163,128,009,349.32, 244,729,868,107.14 and 51,330,078,816.72

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Solution

The fourth proportional to 163,128,009,349.32, 244,729,868,107.14 and 51,330,078,816.72 is: 77,007,029,441.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,128,009,349.32 : 244,729,868,107.14 = 51,330,078,816.72 : x
  2. Step 2: Convert to fraction form
    163,128,009,349.32/244,729,868,107.14 = 51,330,078,816.72/x
  3. Step 3: Cross multiply
    163,128,009,349.32x = 244,729,868,107.14 × 51,330,078,816.72
  4. Step 4: Simplify right side
    163,128,009,349.32x = 12,562,003,418,744,988,106,752
  5. Step 5: Solve for x
    x = 12,562,003,418,744,988,106,752/163,128,009,349.32
  6. Step 6: Final answer
    x = 77,007,029,441.80

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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.