Home / 243,425,857.50-365,134,886.56-77,426,951.95

Finding the Fourth Proportional to 243,425,857.50, 365,134,886.56 and 77,426,951.95

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Solution

The fourth proportional to 243,425,857.50, 365,134,886.56 and 77,426,951.95 is: 116,139,187.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,425,857.50 : 365,134,886.56 = 77,426,951.95 : x
  2. Step 2: Convert to fraction form
    243,425,857.50/365,134,886.56 = 77,426,951.95/x
  3. Step 3: Cross multiply
    243,425,857.50x = 365,134,886.56 × 77,426,951.95
  4. Step 4: Simplify right side
    243,425,857.50x = 28,271,281,315,014,776
  5. Step 5: Solve for x
    x = 28,271,281,315,014,776/243,425,857.50
  6. Step 6: Final answer
    x = 116,139,187.53

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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.