Home / 90,467,903,957.04-135,525,316,823.28-70,477,188,311.52

Finding the Fourth Proportional to 90,467,903,957.04, 135,525,316,823.28 and 70,477,188,311.52

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Solution

The fourth proportional to 90,467,903,957.04, 135,525,316,823.28 and 70,477,188,311.52 is: 105,578,253,247.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,467,903,957.04 : 135,525,316,823.28 = 70,477,188,311.52 : x
  2. Step 2: Convert to fraction form
    90,467,903,957.04/135,525,316,823.28 = 70,477,188,311.52/x
  3. Step 3: Cross multiply
    90,467,903,957.04x = 135,525,316,823.28 × 70,477,188,311.52
  4. Step 4: Simplify right side
    90,467,903,957.04x = 9,551,443,274,732,715,114,496
  5. Step 5: Solve for x
    x = 9,551,443,274,732,715,114,496/90,467,903,957.04
  6. Step 6: Final answer
    x = 105,578,253,247.34

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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.