Home / 145,303,435,013.16-218,066,398,399.99-65,770,837,424.52

Finding the Fourth Proportional to 145,303,435,013.16, 218,066,398,399.99 and 65,770,837,424.52

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Solution

The fourth proportional to 145,303,435,013.16, 218,066,398,399.99 and 65,770,837,424.52 is: 98,706,611,000.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,303,435,013.16 : 218,066,398,399.99 = 65,770,837,424.52 : x
  2. Step 2: Convert to fraction form
    145,303,435,013.16/218,066,398,399.99 = 65,770,837,424.52/x
  3. Step 3: Cross multiply
    145,303,435,013.16x = 218,066,398,399.99 × 65,770,837,424.52
  4. Step 4: Simplify right side
    145,303,435,013.16x = 14,342,409,636,916,349,632,512
  5. Step 5: Solve for x
    x = 14,342,409,636,916,349,632,512/145,303,435,013.16
  6. Step 6: Final answer
    x = 98,706,611,000.75

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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.