Home / 121,210,518.17-181,815,779.66-29,094,256.25

Finding the Fourth Proportional to 121,210,518.17, 181,815,779.66 and 29,094,256.25

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Solution

The fourth proportional to 121,210,518.17, 181,815,779.66 and 29,094,256.25 is: 43,641,384.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,210,518.17 : 181,815,779.66 = 29,094,256.25 : x
  2. Step 2: Convert to fraction form
    121,210,518.17/181,815,779.66 = 29,094,256.25/x
  3. Step 3: Cross multiply
    121,210,518.17x = 181,815,779.66 × 29,094,256.25
  4. Step 4: Simplify right side
    121,210,518.17x = 5,289,794,883,049,677
  5. Step 5: Solve for x
    x = 5,289,794,883,049,677/121,210,518.17
  6. Step 6: Final answer
    x = 43,641,384.95

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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.