Home / 209,026,637.50-288,457,881.36-114,946,851.06

Finding the Fourth Proportional to 209,026,637.50, 288,457,881.36 and 114,946,851.06

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Solution

The fourth proportional to 209,026,637.50, 288,457,881.36 and 114,946,851.06 is: 158,627,271.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,026,637.50 : 288,457,881.36 = 114,946,851.06 : x
  2. Step 2: Convert to fraction form
    209,026,637.50/288,457,881.36 = 114,946,851.06/x
  3. Step 3: Cross multiply
    209,026,637.50x = 288,457,881.36 × 114,946,851.06
  4. Step 4: Simplify right side
    209,026,637.50x = 33,157,325,125,771,072
  5. Step 5: Solve for x
    x = 33,157,325,125,771,072/209,026,637.50
  6. Step 6: Final answer
    x = 158,627,271.25

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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.