Home / 66,260,865.78-91,237,196.88-66,069,547.02

Finding the Fourth Proportional to 66,260,865.78, 91,237,196.88 and 66,069,547.02

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Solution

The fourth proportional to 66,260,865.78, 91,237,196.88 and 66,069,547.02 is: 90,973,762.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,260,865.78 : 91,237,196.88 = 66,069,547.02 : x
  2. Step 2: Convert to fraction form
    66,260,865.78/91,237,196.88 = 66,069,547.02/x
  3. Step 3: Cross multiply
    66,260,865.78x = 91,237,196.88 × 66,069,547.02
  4. Step 4: Simplify right side
    66,260,865.78x = 6,028,000,269,236,157
  5. Step 5: Solve for x
    x = 6,028,000,269,236,157/66,260,865.78
  6. Step 6: Final answer
    x = 90,973,762.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.