Home / 105,187,262.15-145,155,637.28-58,777,897.43

Finding the Fourth Proportional to 105,187,262.15, 145,155,637.28 and 58,777,897.43

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Solution

The fourth proportional to 105,187,262.15, 145,155,637.28 and 58,777,897.43 is: 81,111,942.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,187,262.15 : 145,155,637.28 = 58,777,897.43 : x
  2. Step 2: Convert to fraction form
    105,187,262.15/145,155,637.28 = 58,777,897.43/x
  3. Step 3: Cross multiply
    105,187,262.15x = 145,155,637.28 × 58,777,897.43
  4. Step 4: Simplify right side
    105,187,262.15x = 8,531,943,159,136,235
  5. Step 5: Solve for x
    x = 8,531,943,159,136,235/105,187,262.15
  6. Step 6: Final answer
    x = 81,111,942.50

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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.