Home / 105,187,261.65-145,155,636.59-58,777,896.93

Finding the Fourth Proportional to 105,187,261.65, 145,155,636.59 and 58,777,896.93

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Solution

The fourth proportional to 105,187,261.65, 145,155,636.59 and 58,777,896.93 is: 81,111,941.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,187,261.65 : 145,155,636.59 = 58,777,896.93 : x
  2. Step 2: Convert to fraction form
    105,187,261.65/145,155,636.59 = 58,777,896.93/x
  3. Step 3: Cross multiply
    105,187,261.65x = 145,155,636.59 × 58,777,896.93
  4. Step 4: Simplify right side
    105,187,261.65x = 8,531,943,046,148,612
  5. Step 5: Solve for x
    x = 8,531,943,046,148,612/105,187,261.65
  6. Step 6: Final answer
    x = 81,111,941.81

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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.