Home / 102,177,784.80-153,266,677.20-97,138,936.80

Finding the Fourth Proportional to 102,177,784.80, 153,266,677.20 and 97,138,936.80

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Solution

The fourth proportional to 102,177,784.80, 153,266,677.20 and 97,138,936.80 is: 145,708,405.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,177,784.80 : 153,266,677.20 = 97,138,936.80 : x
  2. Step 2: Convert to fraction form
    102,177,784.80/153,266,677.20 = 97,138,936.80/x
  3. Step 3: Cross multiply
    102,177,784.80x = 153,266,677.20 × 97,138,936.80
  4. Step 4: Simplify right side
    102,177,784.80x = 14,888,162,070,076,800
  5. Step 5: Solve for x
    x = 14,888,162,070,076,800/102,177,784.80
  6. Step 6: Final answer
    x = 145,708,405.20

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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.