Home / 131,018,903,999.80-196,528,355,999.70-64,899,140,543.80

Finding the Fourth Proportional to 131,018,903,999.80, 196,528,355,999.70 and 64,899,140,543.80

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Solution

The fourth proportional to 131,018,903,999.80, 196,528,355,999.70 and 64,899,140,543.80 is: 97,348,710,815.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,018,903,999.80 : 196,528,355,999.70 = 64,899,140,543.80 : x
  2. Step 2: Convert to fraction form
    131,018,903,999.80/196,528,355,999.70 = 64,899,140,543.80/x
  3. Step 3: Cross multiply
    131,018,903,999.80x = 196,528,355,999.70 × 64,899,140,543.80
  4. Step 4: Simplify right side
    131,018,903,999.80x = 12,754,521,396,866,491,351,040
  5. Step 5: Solve for x
    x = 12,754,521,396,866,491,351,040/131,018,903,999.80
  6. Step 6: Final answer
    x = 97,348,710,815.70

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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.