Home / 118,133,297.76-163,023,957.03-65,210,019.42

Finding the Fourth Proportional to 118,133,297.76, 163,023,957.03 and 65,210,019.42

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Solution

The fourth proportional to 118,133,297.76, 163,023,957.03 and 65,210,019.42 is: 89,989,830.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,133,297.76 : 163,023,957.03 = 65,210,019.42 : x
  2. Step 2: Convert to fraction form
    118,133,297.76/163,023,957.03 = 65,210,019.42/x
  3. Step 3: Cross multiply
    118,133,297.76x = 163,023,957.03 × 65,210,019.42
  4. Step 4: Simplify right side
    118,133,297.76x = 10,630,795,403,851,546
  5. Step 5: Solve for x
    x = 10,630,795,403,851,546/118,133,297.76
  6. Step 6: Final answer
    x = 89,989,830.18

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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.