Home / 189,851,223,063.38-261,994,881,722.04-103,043,810,681.56

Finding the Fourth Proportional to 189,851,223,063.38, 261,994,881,722.04 and 103,043,810,681.56

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Solution

The fourth proportional to 189,851,223,063.38, 261,994,881,722.04 and 103,043,810,681.56 is: 142,200,563,978.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,851,223,063.38 : 261,994,881,722.04 = 103,043,810,681.56 : x
  2. Step 2: Convert to fraction form
    189,851,223,063.38/261,994,881,722.04 = 103,043,810,681.56/x
  3. Step 3: Cross multiply
    189,851,223,063.38x = 261,994,881,722.04 × 103,043,810,681.56
  4. Step 4: Simplify right side
    189,851,223,063.38x = 26,996,950,991,703,596,072,960
  5. Step 5: Solve for x
    x = 26,996,950,991,703,596,072,960/189,851,223,063.38
  6. Step 6: Final answer
    x = 142,200,563,978.94

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1.5x scale

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.