Home / 71,819,305.88-99,111,271.55-40,881,464.42

Finding the Fourth Proportional to 71,819,305.88, 99,111,271.55 and 40,881,464.42

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Solution

The fourth proportional to 71,819,305.88, 99,111,271.55 and 40,881,464.42 is: 56,416,779.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,819,305.88 : 99,111,271.55 = 40,881,464.42 : x
  2. Step 2: Convert to fraction form
    71,819,305.88/99,111,271.55 = 40,881,464.42/x
  3. Step 3: Cross multiply
    71,819,305.88x = 99,111,271.55 × 40,881,464.42
  4. Step 4: Simplify right side
    71,819,305.88x = 4,051,813,920,792,319.50
  5. Step 5: Solve for x
    x = 4,051,813,920,792,319.50/71,819,305.88
  6. Step 6: Final answer
    x = 56,416,779.19

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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.