Home / 209,026,641-288,457,886.20-114,946,854.58

Finding the Fourth Proportional to 209,026,641, 288,457,886.20 and 114,946,854.58

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Solution

The fourth proportional to 209,026,641, 288,457,886.20 and 114,946,854.58 is: 158,627,276.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,026,641 : 288,457,886.20 = 114,946,854.58 : x
  2. Step 2: Convert to fraction form
    209,026,641/288,457,886.20 = 114,946,854.58/x
  3. Step 3: Cross multiply
    209,026,641x = 288,457,886.20 × 114,946,854.58
  4. Step 4: Simplify right side
    209,026,641x = 33,157,326,697,485,588
  5. Step 5: Solve for x
    x = 33,157,326,697,485,588/209,026,641
  6. Step 6: Final answer
    x = 158,627,276.12

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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.