Home / 309,014,027.73-426,333,888.81-191,496,479.40

Finding the Fourth Proportional to 309,014,027.73, 426,333,888.81 and 191,496,479.40

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Solution

The fourth proportional to 309,014,027.73, 426,333,888.81 and 191,496,479.40 is: 264,199,781.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,014,027.73 : 426,333,888.81 = 191,496,479.40 : x
  2. Step 2: Convert to fraction form
    309,014,027.73/426,333,888.81 = 191,496,479.40/x
  3. Step 3: Cross multiply
    309,014,027.73x = 426,333,888.81 × 191,496,479.40
  4. Step 4: Simplify right side
    309,014,027.73x = 81,641,438,756,026,064
  5. Step 5: Solve for x
    x = 81,641,438,756,026,064/309,014,027.73
  6. Step 6: Final answer
    x = 264,199,781.98

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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.