Home / 74,294,329.60-111,441,494.40-47,031,406.30

Finding the Fourth Proportional to 74,294,329.60, 111,441,494.40 and 47,031,406.30

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Solution

The fourth proportional to 74,294,329.60, 111,441,494.40 and 47,031,406.30 is: 70,547,109.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,294,329.60 : 111,441,494.40 = 47,031,406.30 : x
  2. Step 2: Convert to fraction form
    74,294,329.60/111,441,494.40 = 47,031,406.30/x
  3. Step 3: Cross multiply
    74,294,329.60x = 111,441,494.40 × 47,031,406.30
  4. Step 4: Simplify right side
    74,294,329.60x = 5,241,250,201,805,575
  5. Step 5: Solve for x
    x = 5,241,250,201,805,575/74,294,329.60
  6. Step 6: Final answer
    x = 70,547,109.45

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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.