Home / 105,388,982.55-145,433,672.24-58,348,152.77

Finding the Fourth Proportional to 105,388,982.55, 145,433,672.24 and 58,348,152.77

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Solution

The fourth proportional to 105,388,982.55, 145,433,672.24 and 58,348,152.77 is: 80,518,721.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,388,982.55 : 145,433,672.24 = 58,348,152.77 : x
  2. Step 2: Convert to fraction form
    105,388,982.55/145,433,672.24 = 58,348,152.77/x
  3. Step 3: Cross multiply
    105,388,982.55x = 145,433,672.24 × 58,348,152.77
  4. Step 4: Simplify right side
    105,388,982.55x = 8,485,786,124,742,720
  5. Step 5: Solve for x
    x = 8,485,786,124,742,720/105,388,982.55
  6. Step 6: Final answer
    x = 80,518,721.40

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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.