Home / 280,271,000.22-420,406,526.25-83,537,461.50

Finding the Fourth Proportional to 280,271,000.22, 420,406,526.25 and 83,537,461.50

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Solution

The fourth proportional to 280,271,000.22, 420,406,526.25 and 83,537,461.50 is: 125,306,199.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,271,000.22 : 420,406,526.25 = 83,537,461.50 : x
  2. Step 2: Convert to fraction form
    280,271,000.22/420,406,526.25 = 83,537,461.50/x
  3. Step 3: Cross multiply
    280,271,000.22x = 420,406,526.25 × 83,537,461.50
  4. Step 4: Simplify right side
    280,271,000.22x = 35,119,694,000,958,116
  5. Step 5: Solve for x
    x = 35,119,694,000,958,116/280,271,000.22
  6. Step 6: Final answer
    x = 125,306,199.98

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1.5x scale

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.