Home / 118,118,511.80-177,177,767.70-66,249,870.20

Finding the Fourth Proportional to 118,118,511.80, 177,177,767.70 and 66,249,870.20

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Solution

The fourth proportional to 118,118,511.80, 177,177,767.70 and 66,249,870.20 is: 99,374,805.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,118,511.80 : 177,177,767.70 = 66,249,870.20 : x
  2. Step 2: Convert to fraction form
    118,118,511.80/177,177,767.70 = 66,249,870.20/x
  3. Step 3: Cross multiply
    118,118,511.80x = 177,177,767.70 × 66,249,870.20
  4. Step 4: Simplify right side
    118,118,511.80x = 11,738,004,112,450,752
  5. Step 5: Solve for x
    x = 11,738,004,112,450,752/118,118,511.80
  6. Step 6: Final answer
    x = 99,374,805.30

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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.