Home / 99,820,268.80-149,478,460.80-65,556,102.40

Finding the Fourth Proportional to 99,820,268.80, 149,478,460.80 and 65,556,102.40

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Solution

The fourth proportional to 99,820,268.80, 149,478,460.80 and 65,556,102.40 is: 98,168,692.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,820,268.80 : 149,478,460.80 = 65,556,102.40 : x
  2. Step 2: Convert to fraction form
    99,820,268.80/149,478,460.80 = 65,556,102.40/x
  3. Step 3: Cross multiply
    99,820,268.80x = 149,478,460.80 × 65,556,102.40
  4. Step 4: Simplify right side
    99,820,268.80x = 9,799,225,282,799,186
  5. Step 5: Solve for x
    x = 9,799,225,282,799,186/99,820,268.80
  6. Step 6: Final answer
    x = 98,168,692.60

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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.