Home / 98,043,145.60-147,064,718.40-65,164,662.40

Finding the Fourth Proportional to 98,043,145.60, 147,064,718.40 and 65,164,662.40

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Solution

The fourth proportional to 98,043,145.60, 147,064,718.40 and 65,164,662.40 is: 97,746,993.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,043,145.60 : 147,064,718.40 = 65,164,662.40 : x
  2. Step 2: Convert to fraction form
    98,043,145.60/147,064,718.40 = 65,164,662.40/x
  3. Step 3: Cross multiply
    98,043,145.60x = 147,064,718.40 × 65,164,662.40
  4. Step 4: Simplify right side
    98,043,145.60x = 9,583,422,725,487,068
  5. Step 5: Solve for x
    x = 9,583,422,725,487,068/98,043,145.60
  6. Step 6: Final answer
    x = 97,746,993.60

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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.