Home / 66,578,809,806.09-99,868,212,779.31-30,712,955,314.57

Finding the Fourth Proportional to 66,578,809,806.09, 99,868,212,779.31 and 30,712,955,314.57

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Solution

The fourth proportional to 66,578,809,806.09, 99,868,212,779.31 and 30,712,955,314.57 is: 46,069,432,081.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,578,809,806.09 : 99,868,212,779.31 = 30,712,955,314.57 : x
  2. Step 2: Convert to fraction form
    66,578,809,806.09/99,868,212,779.31 = 30,712,955,314.57/x
  3. Step 3: Cross multiply
    66,578,809,806.09x = 99,868,212,779.31 × 30,712,955,314.57
  4. Step 4: Simplify right side
    66,578,809,806.09x = 3,067,247,956,436,617,003,008
  5. Step 5: Solve for x
    x = 3,067,247,956,436,617,003,008/66,578,809,806.09
  6. Step 6: Final answer
    x = 46,069,432,081.62

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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.