Home / 57,207,574.80-85,779,869.40-18,849,344.40

Finding the Fourth Proportional to 57,207,574.80, 85,779,869.40 and 18,849,344.40

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Solution

The fourth proportional to 57,207,574.80, 85,779,869.40 and 18,849,344.40 is: 28,263,640.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,207,574.80 : 85,779,869.40 = 18,849,344.40 : x
  2. Step 2: Convert to fraction form
    57,207,574.80/85,779,869.40 = 18,849,344.40/x
  3. Step 3: Cross multiply
    57,207,574.80x = 85,779,869.40 × 18,849,344.40
  4. Step 4: Simplify right side
    57,207,574.80x = 1,616,894,300,907,621.25
  5. Step 5: Solve for x
    x = 1,616,894,300,907,621.25/57,207,574.80
  6. Step 6: Final answer
    x = 28,263,640.03

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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.