Home / 105,308,203.60-145,324,484.32-58,898,420.88

Finding the Fourth Proportional to 105,308,203.60, 145,324,484.32 and 58,898,420.88

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Solution

The fourth proportional to 105,308,203.60, 145,324,484.32 and 58,898,420.88 is: 81,279,352.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,308,203.60 : 145,324,484.32 = 58,898,420.88 : x
  2. Step 2: Convert to fraction form
    105,308,203.60/145,324,484.32 = 58,898,420.88/x
  3. Step 3: Cross multiply
    105,308,203.60x = 145,324,484.32 × 58,898,420.88
  4. Step 4: Simplify right side
    105,308,203.60x = 8,559,382,641,648,321
  5. Step 5: Solve for x
    x = 8,559,382,641,648,321/105,308,203.60
  6. Step 6: Final answer
    x = 81,279,352.88

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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.