Home / 219,235,701.63-328,926,969.77-71,690,065.77

Finding the Fourth Proportional to 219,235,701.63, 328,926,969.77 and 71,690,065.77

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Solution

The fourth proportional to 219,235,701.63, 328,926,969.77 and 71,690,065.77 is: 107,559,106.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,235,701.63 : 328,926,969.77 = 71,690,065.77 : x
  2. Step 2: Convert to fraction form
    219,235,701.63/328,926,969.77 = 71,690,065.77/x
  3. Step 3: Cross multiply
    219,235,701.63x = 328,926,969.77 × 71,690,065.77
  4. Step 4: Simplify right side
    219,235,701.63x = 23,580,796,095,979,648
  5. Step 5: Solve for x
    x = 23,580,796,095,979,648/219,235,701.63
  6. Step 6: Final answer
    x = 107,559,106.12

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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.