Home / 145,283,954.98-200,494,866.18-81,705,509.16

Finding the Fourth Proportional to 145,283,954.98, 200,494,866.18 and 81,705,509.16

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Solution

The fourth proportional to 145,283,954.98, 200,494,866.18 and 81,705,509.16 is: 112,755,294.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,283,954.98 : 200,494,866.18 = 81,705,509.16 : x
  2. Step 2: Convert to fraction form
    145,283,954.98/200,494,866.18 = 81,705,509.16/x
  3. Step 3: Cross multiply
    145,283,954.98x = 200,494,866.18 × 81,705,509.16
  4. Step 4: Simplify right side
    145,283,954.98x = 16,381,535,125,202,964
  5. Step 5: Solve for x
    x = 16,381,535,125,202,964/145,283,954.98
  6. Step 6: Final answer
    x = 112,755,294.47

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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.