Home / 151,312,050,985.05-208,811,574,691.18-82,723,611,888.10

Finding the Fourth Proportional to 151,312,050,985.05, 208,811,574,691.18 and 82,723,611,888.10

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Solution

The fourth proportional to 151,312,050,985.05, 208,811,574,691.18 and 82,723,611,888.10 is: 114,159,100,679.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,312,050,985.05 : 208,811,574,691.18 = 82,723,611,888.10 : x
  2. Step 2: Convert to fraction form
    151,312,050,985.05/208,811,574,691.18 = 82,723,611,888.10/x
  3. Step 3: Cross multiply
    151,312,050,985.05x = 208,811,574,691.18 × 82,723,611,888.10
  4. Step 4: Simplify right side
    151,312,050,985.05x = 17,273,647,662,496,179,290,112
  5. Step 5: Solve for x
    x = 17,273,647,662,496,179,290,112/151,312,050,985.05
  6. Step 6: Final answer
    x = 114,159,100,679.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.