Home / 66,578,809,763.52-99,868,212,715.25-30,712,955,272.06

Finding the Fourth Proportional to 66,578,809,763.52, 99,868,212,715.25 and 30,712,955,272.06

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Solution

The fourth proportional to 66,578,809,763.52, 99,868,212,715.25 and 30,712,955,272.06 is: 46,069,432,017.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,578,809,763.52 : 99,868,212,715.25 = 30,712,955,272.06 : x
  2. Step 2: Convert to fraction form
    66,578,809,763.52/99,868,212,715.25 = 30,712,955,272.06/x
  3. Step 3: Cross multiply
    66,578,809,763.52x = 99,868,212,715.25 × 30,712,955,272.06
  4. Step 4: Simplify right side
    66,578,809,763.52x = 3,067,247,950,224,046,948,352
  5. Step 5: Solve for x
    x = 3,067,247,950,224,046,948,352/66,578,809,763.52
  6. Step 6: Final answer
    x = 46,069,432,017.76

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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.