Home / 98,015,688.40-147,023,532.60-40,488,840.40

Finding the Fourth Proportional to 98,015,688.40, 147,023,532.60 and 40,488,840.40

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Solution

The fourth proportional to 98,015,688.40, 147,023,532.60 and 40,488,840.40 is: 60,733,260.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,015,688.40 : 147,023,532.60 = 40,488,840.40 : x
  2. Step 2: Convert to fraction form
    98,015,688.40/147,023,532.60 = 40,488,840.40/x
  3. Step 3: Cross multiply
    98,015,688.40x = 147,023,532.60 × 40,488,840.40
  4. Step 4: Simplify right side
    98,015,688.40x = 5,952,812,346,485,597
  5. Step 5: Solve for x
    x = 5,952,812,346,485,597/98,015,688.40
  6. Step 6: Final answer
    x = 60,733,260.60

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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.