Home / 57,309,638.40-85,964,457.60-53,947,641.60

Finding the Fourth Proportional to 57,309,638.40, 85,964,457.60 and 53,947,641.60

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Solution

The fourth proportional to 57,309,638.40, 85,964,457.60 and 53,947,641.60 is: 80,921,462.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,309,638.40 : 85,964,457.60 = 53,947,641.60 : x
  2. Step 2: Convert to fraction form
    57,309,638.40/85,964,457.60 = 53,947,641.60/x
  3. Step 3: Cross multiply
    57,309,638.40x = 85,964,457.60 × 53,947,641.60
  4. Step 4: Simplify right side
    57,309,638.40x = 4,637,579,748,943,196
  5. Step 5: Solve for x
    x = 4,637,579,748,943,196/57,309,638.40
  6. Step 6: Final answer
    x = 80,921,462.40

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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.