Home / 53,214,905.40-79,822,358.10-40,460,321.40

Finding the Fourth Proportional to 53,214,905.40, 79,822,358.10 and 40,460,321.40

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Solution

The fourth proportional to 53,214,905.40, 79,822,358.10 and 40,460,321.40 is: 60,690,482.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,214,905.40 : 79,822,358.10 = 40,460,321.40 : x
  2. Step 2: Convert to fraction form
    53,214,905.40/79,822,358.10 = 40,460,321.40/x
  3. Step 3: Cross multiply
    53,214,905.40x = 79,822,358.10 × 40,460,321.40
  4. Step 4: Simplify right side
    53,214,905.40x = 3,229,638,263,631,893
  5. Step 5: Solve for x
    x = 3,229,638,263,631,893/53,214,905.40
  6. Step 6: Final answer
    x = 60,690,482.10

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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.