Home / 296,713,041.78-445,133,835.87-89,434,113.48

Finding the Fourth Proportional to 296,713,041.78, 445,133,835.87 and 89,434,113.48

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Solution

The fourth proportional to 296,713,041.78, 445,133,835.87 and 89,434,113.48 is: 134,170,543.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,713,041.78 : 445,133,835.87 = 89,434,113.48 : x
  2. Step 2: Convert to fraction form
    296,713,041.78/445,133,835.87 = 89,434,113.48/x
  3. Step 3: Cross multiply
    296,713,041.78x = 445,133,835.87 × 89,434,113.48
  4. Step 4: Simplify right side
    296,713,041.78x = 39,810,149,990,985,280
  5. Step 5: Solve for x
    x = 39,810,149,990,985,280/296,713,041.78
  6. Step 6: Final answer
    x = 134,170,543.20

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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.