Home / 104,000,398.56-143,520,600.33-56,960,430.40

Finding the Fourth Proportional to 104,000,398.56, 143,520,600.33 and 56,960,430.40

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Solution

The fourth proportional to 104,000,398.56, 143,520,600.33 and 56,960,430.40 is: 78,605,421.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,000,398.56 : 143,520,600.33 = 56,960,430.40 : x
  2. Step 2: Convert to fraction form
    104,000,398.56/143,520,600.33 = 56,960,430.40/x
  3. Step 3: Cross multiply
    104,000,398.56x = 143,520,600.33 × 56,960,430.40
  4. Step 4: Simplify right side
    104,000,398.56x = 8,174,995,166,203,856
  5. Step 5: Solve for x
    x = 8,174,995,166,203,856/104,000,398.56
  6. Step 6: Final answer
    x = 78,605,421.51

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1.5x scale

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.