Home / 151,666,333,123.92-209,296,974,670.92-83,999,470,510.32

Finding the Fourth Proportional to 151,666,333,123.92, 209,296,974,670.92 and 83,999,470,510.32

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Solution

The fourth proportional to 151,666,333,123.92, 209,296,974,670.92 and 83,999,470,510.32 is: 115,917,848,672.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,666,333,123.92 : 209,296,974,670.92 = 83,999,470,510.32 : x
  2. Step 2: Convert to fraction form
    151,666,333,123.92/209,296,974,670.92 = 83,999,470,510.32/x
  3. Step 3: Cross multiply
    151,666,333,123.92x = 209,296,974,670.92 × 83,999,470,510.32
  4. Step 4: Simplify right side
    151,666,333,123.92x = 17,580,835,051,769,138,511,872
  5. Step 5: Solve for x
    x = 17,580,835,051,769,138,511,872/151,666,333,123.92
  6. Step 6: Final answer
    x = 115,917,848,672.48

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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.