Home / 211,548,295.65-317,322,443.48-120,681,070.05

Finding the Fourth Proportional to 211,548,295.65, 317,322,443.48 and 120,681,070.05

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Solution

The fourth proportional to 211,548,295.65, 317,322,443.48 and 120,681,070.05 is: 181,021,605.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,548,295.65 : 317,322,443.48 = 120,681,070.05 : x
  2. Step 2: Convert to fraction form
    211,548,295.65/317,322,443.48 = 120,681,070.05/x
  3. Step 3: Cross multiply
    211,548,295.65x = 317,322,443.48 × 120,681,070.05
  4. Step 4: Simplify right side
    211,548,295.65x = 38,294,812,029,443,640
  5. Step 5: Solve for x
    x = 38,294,812,029,443,640/211,548,295.65
  6. Step 6: Final answer
    x = 181,021,605.08

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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.