Home / 105,187,295.81-145,155,683.72-58,777,931.09

Finding the Fourth Proportional to 105,187,295.81, 145,155,683.72 and 58,777,931.09

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Solution

The fourth proportional to 105,187,295.81, 145,155,683.72 and 58,777,931.09 is: 81,111,988.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,187,295.81 : 145,155,683.72 = 58,777,931.09 : x
  2. Step 2: Convert to fraction form
    105,187,295.81/145,155,683.72 = 58,777,931.09/x
  3. Step 3: Cross multiply
    105,187,295.81x = 145,155,683.72 × 58,777,931.09
  4. Step 4: Simplify right side
    105,187,295.81x = 8,531,950,773,996,327
  5. Step 5: Solve for x
    x = 8,531,950,773,996,327/105,187,295.81
  6. Step 6: Final answer
    x = 81,111,988.94

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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.