Home / 114,988,045,811.30-172,482,068,716.95-70,291,448,512.10

Finding the Fourth Proportional to 114,988,045,811.30, 172,482,068,716.95 and 70,291,448,512.10

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Solution

The fourth proportional to 114,988,045,811.30, 172,482,068,716.95 and 70,291,448,512.10 is: 105,437,172,768.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,988,045,811.30 : 172,482,068,716.95 = 70,291,448,512.10 : x
  2. Step 2: Convert to fraction form
    114,988,045,811.30/172,482,068,716.95 = 70,291,448,512.10/x
  3. Step 3: Cross multiply
    114,988,045,811.30x = 172,482,068,716.95 × 70,291,448,512.10
  4. Step 4: Simplify right side
    114,988,045,811.30x = 12,124,014,452,477,987,389,440
  5. Step 5: Solve for x
    x = 12,124,014,452,477,987,389,440/114,988,045,811.30
  6. Step 6: Final answer
    x = 105,437,172,768.15

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1.5x scale

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.