Home / 202,236,069,312.26-302,931,966,788.32-121,305,109,697.28

Finding the Fourth Proportional to 202,236,069,312.26, 302,931,966,788.32 and 121,305,109,697.28

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Solution

The fourth proportional to 202,236,069,312.26, 302,931,966,788.32 and 121,305,109,697.28 is: 181,704,458,492.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,236,069,312.26 : 302,931,966,788.32 = 121,305,109,697.28 : x
  2. Step 2: Convert to fraction form
    202,236,069,312.26/302,931,966,788.32 = 121,305,109,697.28/x
  3. Step 3: Cross multiply
    202,236,069,312.26x = 302,931,966,788.32 × 121,305,109,697.28
  4. Step 4: Simplify right side
    202,236,069,312.26x = 36,747,195,462,069,937,766,400
  5. Step 5: Solve for x
    x = 36,747,195,462,069,937,766,400/202,236,069,312.26
  6. Step 6: Final answer
    x = 181,704,458,492.67

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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.