Home / 108,868,830.80-163,303,246.20-89,973,150.80

Finding the Fourth Proportional to 108,868,830.80, 163,303,246.20 and 89,973,150.80

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Solution

The fourth proportional to 108,868,830.80, 163,303,246.20 and 89,973,150.80 is: 134,959,726.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,868,830.80 : 163,303,246.20 = 89,973,150.80 : x
  2. Step 2: Convert to fraction form
    108,868,830.80/163,303,246.20 = 89,973,150.80/x
  3. Step 3: Cross multiply
    108,868,830.80x = 163,303,246.20 × 89,973,150.80
  4. Step 4: Simplify right side
    108,868,830.80x = 14,692,907,596,482,126
  5. Step 5: Solve for x
    x = 14,692,907,596,482,126/108,868,830.80
  6. Step 6: Final answer
    x = 134,959,726.20

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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.