Home / 145,303,435,017.16-218,066,398,405.98-65,770,837,428.52

Finding the Fourth Proportional to 145,303,435,017.16, 218,066,398,405.98 and 65,770,837,428.52

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Solution

The fourth proportional to 145,303,435,017.16, 218,066,398,405.98 and 65,770,837,428.52 is: 98,706,611,006.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,303,435,017.16 : 218,066,398,405.98 = 65,770,837,428.52 : x
  2. Step 2: Convert to fraction form
    145,303,435,017.16/218,066,398,405.98 = 65,770,837,428.52/x
  3. Step 3: Cross multiply
    145,303,435,017.16x = 218,066,398,405.98 × 65,770,837,428.52
  4. Step 4: Simplify right side
    145,303,435,017.16x = 14,342,409,638,182,582,747,136
  5. Step 5: Solve for x
    x = 14,342,409,638,182,582,747,136/145,303,435,017.16
  6. Step 6: Final answer
    x = 98,706,611,006.74

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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.