Home / 270,492,789.69-405,756,015.56-97,971,097.86

Finding the Fourth Proportional to 270,492,789.69, 405,756,015.56 and 97,971,097.86

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Solution

The fourth proportional to 270,492,789.69, 405,756,015.56 and 97,971,097.86 is: 146,962,742.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,492,789.69 : 405,756,015.56 = 97,971,097.86 : x
  2. Step 2: Convert to fraction form
    270,492,789.69/405,756,015.56 = 97,971,097.86/x
  3. Step 3: Cross multiply
    270,492,789.69x = 405,756,015.56 × 97,971,097.86
  4. Step 4: Simplify right side
    270,492,789.69x = 39,752,362,307,712,440
  5. Step 5: Solve for x
    x = 39,752,362,307,712,440/270,492,789.69
  6. Step 6: Final answer
    x = 146,962,742.90

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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.