Home / 105,205,120.45-145,187,549.93-58,795,373.00

Finding the Fourth Proportional to 105,205,120.45, 145,187,549.93 and 58,795,373.00

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Solution

The fourth proportional to 105,205,120.45, 145,187,549.93 and 58,795,373.00 is: 81,140,120.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,205,120.45 : 145,187,549.93 = 58,795,373.00 : x
  2. Step 2: Convert to fraction form
    105,205,120.45/145,187,549.93 = 58,795,373.00/x
  3. Step 3: Cross multiply
    105,205,120.45x = 145,187,549.93 × 58,795,373.00
  4. Step 4: Simplify right side
    105,205,120.45x = 8,536,356,153,600,431
  5. Step 5: Solve for x
    x = 8,536,356,153,600,431/105,205,120.45
  6. Step 6: Final answer
    x = 81,140,120.53

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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.