Home / 147,478,991,271.23-203,518,842,010.61-82,374,368,680.63

Finding the Fourth Proportional to 147,478,991,271.23, 203,518,842,010.61 and 82,374,368,680.63

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Solution

The fourth proportional to 147,478,991,271.23, 203,518,842,010.61 and 82,374,368,680.63 is: 113,675,418,991.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,478,991,271.23 : 203,518,842,010.61 = 82,374,368,680.63 : x
  2. Step 2: Convert to fraction form
    147,478,991,271.23/203,518,842,010.61 = 82,374,368,680.63/x
  3. Step 3: Cross multiply
    147,478,991,271.23x = 203,518,842,010.61 × 82,374,368,680.63
  4. Step 4: Simplify right side
    147,478,991,271.23x = 16,764,736,125,236,877,983,744
  5. Step 5: Solve for x
    x = 16,764,736,125,236,877,983,744/147,478,991,271.23
  6. Step 6: Final answer
    x = 113,675,418,991.74

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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.