Home / 348,807,729.96-523,194,203.16-130,442,018.40

Finding the Fourth Proportional to 348,807,729.96, 523,194,203.16 and 130,442,018.40

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Solution

The fourth proportional to 348,807,729.96, 523,194,203.16 and 130,442,018.40 is: 195,656,523.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,807,729.96 : 523,194,203.16 = 130,442,018.40 : x
  2. Step 2: Convert to fraction form
    348,807,729.96/523,194,203.16 = 130,442,018.40/x
  3. Step 3: Cross multiply
    348,807,729.96x = 523,194,203.16 × 130,442,018.40
  4. Step 4: Simplify right side
    348,807,729.96x = 68,246,507,875,370,064
  5. Step 5: Solve for x
    x = 68,246,507,875,370,064/348,807,729.96
  6. Step 6: Final answer
    x = 195,656,523.68

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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.