Home / 74,884,830.60-112,327,245.90-65,628,280.20

Finding the Fourth Proportional to 74,884,830.60, 112,327,245.90 and 65,628,280.20

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Solution

The fourth proportional to 74,884,830.60, 112,327,245.90 and 65,628,280.20 is: 98,442,420.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,884,830.60 : 112,327,245.90 = 65,628,280.20 : x
  2. Step 2: Convert to fraction form
    74,884,830.60/112,327,245.90 = 65,628,280.20/x
  3. Step 3: Cross multiply
    74,884,830.60x = 112,327,245.90 × 65,628,280.20
  4. Step 4: Simplify right side
    74,884,830.60x = 7,371,843,968,019,502
  5. Step 5: Solve for x
    x = 7,371,843,968,019,502/74,884,830.60
  6. Step 6: Final answer
    x = 98,442,420.30

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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.