Home / 103,690,387,048.80-155,535,580,573.20-102,037,392,962.40

Finding the Fourth Proportional to 103,690,387,048.80, 155,535,580,573.20 and 102,037,392,962.40

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Solution

The fourth proportional to 103,690,387,048.80, 155,535,580,573.20 and 102,037,392,962.40 is: 153,056,089,443.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,690,387,048.80 : 155,535,580,573.20 = 102,037,392,962.40 : x
  2. Step 2: Convert to fraction form
    103,690,387,048.80/155,535,580,573.20 = 102,037,392,962.40/x
  3. Step 3: Cross multiply
    103,690,387,048.80x = 155,535,580,573.20 × 102,037,392,962.40
  4. Step 4: Simplify right side
    103,690,387,048.80x = 15,870,445,154,582,636,003,328
  5. Step 5: Solve for x
    x = 15,870,445,154,582,636,003,328/103,690,387,048.80
  6. Step 6: Final answer
    x = 153,056,089,443.60

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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.