Home / 132,893,643.40-199,303,140.30-42,045,080.20

Finding the Fourth Proportional to 132,893,643.40, 199,303,140.30 and 42,045,080.20

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Solution

The fourth proportional to 132,893,643.40, 199,303,140.30 and 42,045,080.20 is: 63,055,811.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,893,643.40 : 199,303,140.30 = 42,045,080.20 : x
  2. Step 2: Convert to fraction form
    132,893,643.40/199,303,140.30 = 42,045,080.20/x
  3. Step 3: Cross multiply
    132,893,643.40x = 199,303,140.30 × 42,045,080.20
  4. Step 4: Simplify right side
    132,893,643.40x = 8,379,716,518,025,353
  5. Step 5: Solve for x
    x = 8,379,716,518,025,353/132,893,643.40
  6. Step 6: Final answer
    x = 63,055,811.43

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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.