Home / 211,047,484.68-291,245,307.90-118,228,645.86

Finding the Fourth Proportional to 211,047,484.68, 291,245,307.90 and 118,228,645.86

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Solution

The fourth proportional to 211,047,484.68, 291,245,307.90 and 118,228,645.86 is: 163,155,407.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,047,484.68 : 291,245,307.90 = 118,228,645.86 : x
  2. Step 2: Convert to fraction form
    211,047,484.68/291,245,307.90 = 118,228,645.86/x
  3. Step 3: Cross multiply
    211,047,484.68x = 291,245,307.90 × 118,228,645.86
  4. Step 4: Simplify right side
    211,047,484.68x = 34,433,538,366,095,756
  5. Step 5: Solve for x
    x = 34,433,538,366,095,756/211,047,484.68
  6. Step 6: Final answer
    x = 163,155,407.51

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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.