Home / 105,187,263.15-145,155,638.65-58,777,898.43

Finding the Fourth Proportional to 105,187,263.15, 145,155,638.65 and 58,777,898.43

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Solution

The fourth proportional to 105,187,263.15, 145,155,638.65 and 58,777,898.43 is: 81,111,943.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,187,263.15 : 145,155,638.65 = 58,777,898.43 : x
  2. Step 2: Convert to fraction form
    105,187,263.15/145,155,638.65 = 58,777,898.43/x
  3. Step 3: Cross multiply
    105,187,263.15x = 145,155,638.65 × 58,777,898.43
  4. Step 4: Simplify right side
    105,187,263.15x = 8,531,943,385,111,483
  5. Step 5: Solve for x
    x = 8,531,943,385,111,483/105,187,263.15
  6. Step 6: Final answer
    x = 81,111,943.88

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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.