Home / 432,237,045.90-648,353,240.72-104,712,393.37

Finding the Fourth Proportional to 432,237,045.90, 648,353,240.72 and 104,712,393.37

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Solution

The fourth proportional to 432,237,045.90, 648,353,240.72 and 104,712,393.37 is: 157,068,026.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,237,045.90 : 648,353,240.72 = 104,712,393.37 : x
  2. Step 2: Convert to fraction form
    432,237,045.90/648,353,240.72 = 104,712,393.37/x
  3. Step 3: Cross multiply
    432,237,045.90x = 648,353,240.72 × 104,712,393.37
  4. Step 4: Simplify right side
    432,237,045.90x = 67,890,619,586,565,992
  5. Step 5: Solve for x
    x = 67,890,619,586,565,992/432,237,045.90
  6. Step 6: Final answer
    x = 157,068,026.05

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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.