Home / 148,112,657,761.89-204,391,991,111.66-87,148,973,663.40

Finding the Fourth Proportional to 148,112,657,761.89, 204,391,991,111.66 and 87,148,973,663.40

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Solution

The fourth proportional to 148,112,657,761.89, 204,391,991,111.66 and 87,148,973,663.40 is: 120,263,538,036.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,112,657,761.89 : 204,391,991,111.66 = 87,148,973,663.40 : x
  2. Step 2: Convert to fraction form
    148,112,657,761.89/204,391,991,111.66 = 87,148,973,663.40/x
  3. Step 3: Cross multiply
    148,112,657,761.89x = 204,391,991,111.66 × 87,148,973,663.40
  4. Step 4: Simplify right side
    148,112,657,761.89x = 17,812,552,250,399,943,294,976
  5. Step 5: Solve for x
    x = 17,812,552,250,399,943,294,976/148,112,657,761.89
  6. Step 6: Final answer
    x = 120,263,538,036.27

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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.