Home / 65,174,938.40-97,818,394.80-28,839,245.60

Finding the Fourth Proportional to 65,174,938.40, 97,818,394.80 and 28,839,245.60

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Solution

The fourth proportional to 65,174,938.40, 97,818,394.80 and 28,839,245.60 is: 43,283,642.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,174,938.40 : 97,818,394.80 = 28,839,245.60 : x
  2. Step 2: Convert to fraction form
    65,174,938.40/97,818,394.80 = 28,839,245.60/x
  3. Step 3: Cross multiply
    65,174,938.40x = 97,818,394.80 × 28,839,245.60
  4. Step 4: Simplify right side
    65,174,938.40x = 2,821,008,711,834,963
  5. Step 5: Solve for x
    x = 2,821,008,711,834,963/65,174,938.40
  6. Step 6: Final answer
    x = 43,283,642.17

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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.