Home / 118,013,366,995.20-177,020,050,492.80-80,356,095,464.40

Finding the Fourth Proportional to 118,013,366,995.20, 177,020,050,492.80 and 80,356,095,464.40

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Solution

The fourth proportional to 118,013,366,995.20, 177,020,050,492.80 and 80,356,095,464.40 is: 120,534,143,196.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,013,366,995.20 : 177,020,050,492.80 = 80,356,095,464.40 : x
  2. Step 2: Convert to fraction form
    118,013,366,995.20/177,020,050,492.80 = 80,356,095,464.40/x
  3. Step 3: Cross multiply
    118,013,366,995.20x = 177,020,050,492.80 × 80,356,095,464.40
  4. Step 4: Simplify right side
    118,013,366,995.20x = 14,224,640,076,512,342,573,056
  5. Step 5: Solve for x
    x = 14,224,640,076,512,342,573,056/118,013,366,995.20
  6. Step 6: Final answer
    x = 120,534,143,196.60

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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.