Home / 45,572,551.20-68,358,826.80-42,112,250.40

Finding the Fourth Proportional to 45,572,551.20, 68,358,826.80 and 42,112,250.40

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Solution

The fourth proportional to 45,572,551.20, 68,358,826.80 and 42,112,250.40 is: 63,168,375.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,572,551.20 : 68,358,826.80 = 42,112,250.40 : x
  2. Step 2: Convert to fraction form
    45,572,551.20/68,358,826.80 = 42,112,250.40/x
  3. Step 3: Cross multiply
    45,572,551.20x = 68,358,826.80 × 42,112,250.40
  4. Step 4: Simplify right side
    45,572,551.20x = 2,878,744,031,251,830.50
  5. Step 5: Solve for x
    x = 2,878,744,031,251,830.50/45,572,551.20
  6. Step 6: Final answer
    x = 63,168,375.60

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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.