Home / 136,897,132.69-188,927,312.00-77,337,771.76

Finding the Fourth Proportional to 136,897,132.69, 188,927,312.00 and 77,337,771.76

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Solution

The fourth proportional to 136,897,132.69, 188,927,312.00 and 77,337,771.76 is: 106,731,361.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,897,132.69 : 188,927,312.00 = 77,337,771.76 : x
  2. Step 2: Convert to fraction form
    136,897,132.69/188,927,312.00 = 77,337,771.76/x
  3. Step 3: Cross multiply
    136,897,132.69x = 188,927,312.00 × 77,337,771.76
  4. Step 4: Simplify right side
    136,897,132.69x = 14,611,217,333,908,474
  5. Step 5: Solve for x
    x = 14,611,217,333,908,474/136,897,132.69
  6. Step 6: Final answer
    x = 106,731,361.33

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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.