Home / 106,998,006.06-147,702,448.89-72,237,779.46

Finding the Fourth Proportional to 106,998,006.06, 147,702,448.89 and 72,237,779.46

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Solution

The fourth proportional to 106,998,006.06, 147,702,448.89 and 72,237,779.46 is: 99,718,651.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,998,006.06 : 147,702,448.89 = 72,237,779.46 : x
  2. Step 2: Convert to fraction form
    106,998,006.06/147,702,448.89 = 72,237,779.46/x
  3. Step 3: Cross multiply
    106,998,006.06x = 147,702,448.89 × 72,237,779.46
  4. Step 4: Simplify right side
    106,998,006.06x = 10,669,696,928,617,740
  5. Step 5: Solve for x
    x = 10,669,696,928,617,740/106,998,006.06
  6. Step 6: Final answer
    x = 99,718,651.98

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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.