Home / 105,587,594,603.80-145,713,642,142.40-57,418,455,063.12

Finding the Fourth Proportional to 105,587,594,603.80, 145,713,642,142.40 and 57,418,455,063.12

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Solution

The fourth proportional to 105,587,594,603.80, 145,713,642,142.40 and 57,418,455,063.12 is: 79,238,969,737.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,587,594,603.80 : 145,713,642,142.40 = 57,418,455,063.12 : x
  2. Step 2: Convert to fraction form
    105,587,594,603.80/145,713,642,142.40 = 57,418,455,063.12/x
  3. Step 3: Cross multiply
    105,587,594,603.80x = 145,713,642,142.40 × 57,418,455,063.12
  4. Step 4: Simplify right side
    105,587,594,603.80x = 8,366,652,213,436,942,909,440
  5. Step 5: Solve for x
    x = 8,366,652,213,436,942,909,440/105,587,594,603.80
  6. Step 6: Final answer
    x = 79,238,969,737.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.