Home / 139,968,117.15-209,952,175.73-101,448,923.55

Finding the Fourth Proportional to 139,968,117.15, 209,952,175.73 and 101,448,923.55

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Solution

The fourth proportional to 139,968,117.15, 209,952,175.73 and 101,448,923.55 is: 152,173,385.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,968,117.15 : 209,952,175.73 = 101,448,923.55 : x
  2. Step 2: Convert to fraction form
    139,968,117.15/209,952,175.73 = 101,448,923.55/x
  3. Step 3: Cross multiply
    139,968,117.15x = 209,952,175.73 × 101,448,923.55
  4. Step 4: Simplify right side
    139,968,117.15x = 21,299,422,224,281,688
  5. Step 5: Solve for x
    x = 21,299,422,224,281,688/139,968,117.15
  6. Step 6: Final answer
    x = 152,173,385.33

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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.