Home / 55,371,763.95-83,075,389.38-38,770,663.70

Finding the Fourth Proportional to 55,371,763.95, 83,075,389.38 and 38,770,663.70

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Solution

The fourth proportional to 55,371,763.95, 83,075,389.38 and 38,770,663.70 is: 58,168,419.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,371,763.95 : 83,075,389.38 = 38,770,663.70 : x
  2. Step 2: Convert to fraction form
    55,371,763.95/83,075,389.38 = 38,770,663.70/x
  3. Step 3: Cross multiply
    55,371,763.95x = 83,075,389.38 × 38,770,663.70
  4. Step 4: Simplify right side
    55,371,763.95x = 3,220,887,982,983,154.50
  5. Step 5: Solve for x
    x = 3,220,887,982,983,154.50/55,371,763.95
  6. Step 6: Final answer
    x = 58,168,419.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.