Home / 51,087,000.80-76,630,501.20-20,779,263.20

Finding the Fourth Proportional to 51,087,000.80, 76,630,501.20 and 20,779,263.20

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Solution

The fourth proportional to 51,087,000.80, 76,630,501.20 and 20,779,263.20 is: 31,168,894.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,087,000.80 : 76,630,501.20 = 20,779,263.20 : x
  2. Step 2: Convert to fraction form
    51,087,000.80/76,630,501.20 = 20,779,263.20/x
  3. Step 3: Cross multiply
    51,087,000.80x = 76,630,501.20 × 20,779,263.20
  4. Step 4: Simplify right side
    51,087,000.80x = 1,592,325,353,582,715.75
  5. Step 5: Solve for x
    x = 1,592,325,353,582,715.75/51,087,000.80
  6. Step 6: Final answer
    x = 31,168,894.80

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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.