Home / 152,279,300,220.02-210,150,474,030.78-83,693,144,406.86

Finding the Fourth Proportional to 152,279,300,220.02, 210,150,474,030.78 and 83,693,144,406.86

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Solution

The fourth proportional to 152,279,300,220.02, 210,150,474,030.78 and 83,693,144,406.86 is: 115,499,309,130.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,279,300,220.02 : 210,150,474,030.78 = 83,693,144,406.86 : x
  2. Step 2: Convert to fraction form
    152,279,300,220.02/210,150,474,030.78 = 83,693,144,406.86/x
  3. Step 3: Cross multiply
    152,279,300,220.02x = 210,150,474,030.78 × 83,693,144,406.86
  4. Step 4: Simplify right side
    152,279,300,220.02x = 17,588,153,970,228,153,286,656
  5. Step 5: Solve for x
    x = 17,588,153,970,228,153,286,656/152,279,300,220.02
  6. Step 6: Final answer
    x = 115,499,309,130.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.