Home / 70,910,530.40-97,839,869.28-43,032,609.20

Finding the Fourth Proportional to 70,910,530.40, 97,839,869.28 and 43,032,609.20

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Solution

The fourth proportional to 70,910,530.40, 97,839,869.28 and 43,032,609.20 is: 59,374,888.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,910,530.40 : 97,839,869.28 = 43,032,609.20 : x
  2. Step 2: Convert to fraction form
    70,910,530.40/97,839,869.28 = 43,032,609.20/x
  3. Step 3: Cross multiply
    70,910,530.40x = 97,839,869.28 × 43,032,609.20
  4. Step 4: Simplify right side
    70,910,530.40x = 4,210,304,858,905,325.50
  5. Step 5: Solve for x
    x = 4,210,304,858,905,325.50/70,910,530.40
  6. Step 6: Final answer
    x = 59,374,888.82

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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.