Home / 86,773,968.36-119,747,747.81-47,616,400.40

Finding the Fourth Proportional to 86,773,968.36, 119,747,747.81 and 47,616,400.40

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Solution

The fourth proportional to 86,773,968.36, 119,747,747.81 and 47,616,400.40 is: 65,710,452.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,773,968.36 : 119,747,747.81 = 47,616,400.40 : x
  2. Step 2: Convert to fraction form
    86,773,968.36/119,747,747.81 = 47,616,400.40/x
  3. Step 3: Cross multiply
    86,773,968.36x = 119,747,747.81 × 47,616,400.40
  4. Step 4: Simplify right side
    86,773,968.36x = 5,701,956,706,719,183
  5. Step 5: Solve for x
    x = 5,701,956,706,719,183/86,773,968.36
  6. Step 6: Final answer
    x = 65,710,452.28

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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.