Home / 245,332,688.44-368,002,238-81,570,445

Finding the Fourth Proportional to 245,332,688.44, 368,002,238 and 81,570,445

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Solution

The fourth proportional to 245,332,688.44, 368,002,238 and 81,570,445 is: 122,356,733.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,332,688.44 : 368,002,238 = 81,570,445 : x
  2. Step 2: Convert to fraction form
    245,332,688.44/368,002,238 = 81,570,445/x
  3. Step 3: Cross multiply
    245,332,688.44x = 368,002,238 × 81,570,445
  4. Step 4: Simplify right side
    245,332,688.44x = 30,018,106,314,655,912
  5. Step 5: Solve for x
    x = 30,018,106,314,655,912/245,332,688.44
  6. Step 6: Final answer
    x = 122,356,733.24

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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.