Home / 105,187,293.74-145,155,680.88-58,777,929.02

Finding the Fourth Proportional to 105,187,293.74, 145,155,680.88 and 58,777,929.02

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Solution

The fourth proportional to 105,187,293.74, 145,155,680.88 and 58,777,929.02 is: 81,111,986.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,187,293.74 : 145,155,680.88 = 58,777,929.02 : x
  2. Step 2: Convert to fraction form
    105,187,293.74/145,155,680.88 = 58,777,929.02/x
  3. Step 3: Cross multiply
    105,187,293.74x = 145,155,680.88 × 58,777,929.02
  4. Step 4: Simplify right side
    105,187,293.74x = 8,531,950,307,756,883
  5. Step 5: Solve for x
    x = 8,531,950,307,756,883/105,187,293.74
  6. Step 6: Final answer
    x = 81,111,986.10

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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.