Home / 188,423,128.40-282,634,692.60-147,608,459.60

Finding the Fourth Proportional to 188,423,128.40, 282,634,692.60 and 147,608,459.60

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Solution

The fourth proportional to 188,423,128.40, 282,634,692.60 and 147,608,459.60 is: 221,412,689.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,423,128.40 : 282,634,692.60 = 147,608,459.60 : x
  2. Step 2: Convert to fraction form
    188,423,128.40/282,634,692.60 = 147,608,459.60/x
  3. Step 3: Cross multiply
    188,423,128.40x = 282,634,692.60 × 147,608,459.60
  4. Step 4: Simplify right side
    188,423,128.40x = 41,719,271,604,205,520
  5. Step 5: Solve for x
    x = 41,719,271,604,205,520/188,423,128.40
  6. Step 6: Final answer
    x = 221,412,689.40

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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.