Home / 65,446,048.58-90,316,169.90-36,078,434.44

Finding the Fourth Proportional to 65,446,048.58, 90,316,169.90 and 36,078,434.44

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Solution

The fourth proportional to 65,446,048.58, 90,316,169.90 and 36,078,434.44 is: 49,788,582.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,446,048.58 : 90,316,169.90 = 36,078,434.44 : x
  2. Step 2: Convert to fraction form
    65,446,048.58/90,316,169.90 = 36,078,434.44/x
  3. Step 3: Cross multiply
    65,446,048.58x = 90,316,169.90 × 36,078,434.44
  4. Step 4: Simplify right side
    65,446,048.58x = 3,258,466,014,609,051.50
  5. Step 5: Solve for x
    x = 3,258,466,014,609,051.50/65,446,048.58
  6. Step 6: Final answer
    x = 49,788,582.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.