Home / 118,115,987.54-163,000,513.42-65,907,223.70

Finding the Fourth Proportional to 118,115,987.54, 163,000,513.42 and 65,907,223.70

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Solution

The fourth proportional to 118,115,987.54, 163,000,513.42 and 65,907,223.70 is: 90,952,220.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,115,987.54 : 163,000,513.42 = 65,907,223.70 : x
  2. Step 2: Convert to fraction form
    118,115,987.54/163,000,513.42 = 65,907,223.70/x
  3. Step 3: Cross multiply
    118,115,987.54x = 163,000,513.42 × 65,907,223.70
  4. Step 4: Simplify right side
    118,115,987.54x = 10,742,911,301,186,792
  5. Step 5: Solve for x
    x = 10,742,911,301,186,792/118,115,987.54
  6. Step 6: Final answer
    x = 90,952,220.14

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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.