Home / 53,885,709.60-80,828,564.40-47,508,417.60

Finding the Fourth Proportional to 53,885,709.60, 80,828,564.40 and 47,508,417.60

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Solution

The fourth proportional to 53,885,709.60, 80,828,564.40 and 47,508,417.60 is: 71,262,626.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,885,709.60 : 80,828,564.40 = 47,508,417.60 : x
  2. Step 2: Convert to fraction form
    53,885,709.60/80,828,564.40 = 47,508,417.60/x
  3. Step 3: Cross multiply
    53,885,709.60x = 80,828,564.40 × 47,508,417.60
  4. Step 4: Simplify right side
    53,885,709.60x = 3,840,037,191,523,694
  5. Step 5: Solve for x
    x = 3,840,037,191,523,694/53,885,709.60
  6. Step 6: Final answer
    x = 71,262,626.40

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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.