Home / 189,630,419.04-284,445,628.50-53,315,802.54

Finding the Fourth Proportional to 189,630,419.04, 284,445,628.50 and 53,315,802.54

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Solution

The fourth proportional to 189,630,419.04, 284,445,628.50 and 53,315,802.54 is: 79,973,703.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,630,419.04 : 284,445,628.50 = 53,315,802.54 : x
  2. Step 2: Convert to fraction form
    189,630,419.04/284,445,628.50 = 53,315,802.54/x
  3. Step 3: Cross multiply
    189,630,419.04x = 284,445,628.50 × 53,315,802.54
  4. Step 4: Simplify right side
    189,630,419.04x = 15,165,446,962,472,196
  5. Step 5: Solve for x
    x = 15,165,446,962,472,196/189,630,419.04
  6. Step 6: Final answer
    x = 79,973,703.79

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1.5x scale

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.