Home / 105,187,263.65-145,155,639.34-58,777,898.93

Finding the Fourth Proportional to 105,187,263.65, 145,155,639.34 and 58,777,898.93

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Solution

The fourth proportional to 105,187,263.65, 145,155,639.34 and 58,777,898.93 is: 81,111,944.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,187,263.65 : 145,155,639.34 = 58,777,898.93 : x
  2. Step 2: Convert to fraction form
    105,187,263.65/145,155,639.34 = 58,777,898.93/x
  3. Step 3: Cross multiply
    105,187,263.65x = 145,155,639.34 × 58,777,898.93
  4. Step 4: Simplify right side
    105,187,263.65x = 8,531,943,498,246,052
  5. Step 5: Solve for x
    x = 8,531,943,498,246,052/105,187,263.65
  6. Step 6: Final answer
    x = 81,111,944.57

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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.