Home / 118,466,577.71-177,554,326.06-66,542,031.32

Finding the Fourth Proportional to 118,466,577.71, 177,554,326.06 and 66,542,031.32

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Solution

The fourth proportional to 118,466,577.71, 177,554,326.06 and 66,542,031.32 is: 99,731,297.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,466,577.71 : 177,554,326.06 = 66,542,031.32 : x
  2. Step 2: Convert to fraction form
    118,466,577.71/177,554,326.06 = 66,542,031.32/x
  3. Step 3: Cross multiply
    118,466,577.71x = 177,554,326.06 × 66,542,031.32
  4. Step 4: Simplify right side
    118,466,577.71x = 11,814,825,525,686,012
  5. Step 5: Solve for x
    x = 11,814,825,525,686,012/118,466,577.71
  6. Step 6: Final answer
    x = 99,731,297.67

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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.