Home / 64,685,736.80-97,030,160.40-19,249,013.60

Finding the Fourth Proportional to 64,685,736.80, 97,030,160.40 and 19,249,013.60

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Solution

The fourth proportional to 64,685,736.80, 97,030,160.40 and 19,249,013.60 is: 28,873,983.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,685,736.80 : 97,030,160.40 = 19,249,013.60 : x
  2. Step 2: Convert to fraction form
    64,685,736.80/97,030,160.40 = 19,249,013.60/x
  3. Step 3: Cross multiply
    64,685,736.80x = 97,030,160.40 × 19,249,013.60
  4. Step 4: Simplify right side
    64,685,736.80x = 1,867,734,877,149,781.75
  5. Step 5: Solve for x
    x = 1,867,734,877,149,781.75/64,685,736.80
  6. Step 6: Final answer
    x = 28,873,983.19

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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.