Home / 74,856,054.40-112,284,081.60-42,607,427.20

Finding the Fourth Proportional to 74,856,054.40, 112,284,081.60 and 42,607,427.20

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Solution

The fourth proportional to 74,856,054.40, 112,284,081.60 and 42,607,427.20 is: 63,911,140.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,856,054.40 : 112,284,081.60 = 42,607,427.20 : x
  2. Step 2: Convert to fraction form
    74,856,054.40/112,284,081.60 = 42,607,427.20/x
  3. Step 3: Cross multiply
    74,856,054.40x = 112,284,081.60 × 42,607,427.20
  4. Step 4: Simplify right side
    74,856,054.40x = 4,784,135,832,490,860
  5. Step 5: Solve for x
    x = 4,784,135,832,490,860/74,856,054.40
  6. Step 6: Final answer
    x = 63,911,140.80

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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.