Home / 213,442,236-294,551,307.12-115,657,265.76

Finding the Fourth Proportional to 213,442,236, 294,551,307.12 and 115,657,265.76

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Solution

The fourth proportional to 213,442,236, 294,551,307.12 and 115,657,265.76 is: 159,607,580.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,442,236 : 294,551,307.12 = 115,657,265.76 : x
  2. Step 2: Convert to fraction form
    213,442,236/294,551,307.12 = 115,657,265.76/x
  3. Step 3: Cross multiply
    213,442,236x = 294,551,307.12 × 115,657,265.76
  4. Step 4: Simplify right side
    213,442,236x = 34,066,998,807,533,224
  5. Step 5: Solve for x
    x = 34,066,998,807,533,224/213,442,236
  6. Step 6: Final answer
    x = 159,607,580.23

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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.