Home / 71,164,820.03-98,207,681.72-39,803,406.75

Finding the Fourth Proportional to 71,164,820.03, 98,207,681.72 and 39,803,406.75

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Solution

The fourth proportional to 71,164,820.03, 98,207,681.72 and 39,803,406.75 is: 54,928,830.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,164,820.03 : 98,207,681.72 = 39,803,406.75 : x
  2. Step 2: Convert to fraction form
    71,164,820.03/98,207,681.72 = 39,803,406.75/x
  3. Step 3: Cross multiply
    71,164,820.03x = 98,207,681.72 × 39,803,406.75
  4. Step 4: Simplify right side
    71,164,820.03x = 3,909,000,301,276,682.50
  5. Step 5: Solve for x
    x = 3,909,000,301,276,682.50/71,164,820.03
  6. Step 6: Final answer
    x = 54,928,830.00

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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.