Home / 103,596,955.10-155,395,432.65-31,784,039.90

Finding the Fourth Proportional to 103,596,955.10, 155,395,432.65 and 31,784,039.90

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Solution

The fourth proportional to 103,596,955.10, 155,395,432.65 and 31,784,039.90 is: 47,676,059.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,596,955.10 : 155,395,432.65 = 31,784,039.90 : x
  2. Step 2: Convert to fraction form
    103,596,955.10/155,395,432.65 = 31,784,039.90/x
  3. Step 3: Cross multiply
    103,596,955.10x = 155,395,432.65 × 31,784,039.90
  4. Step 4: Simplify right side
    103,596,955.10x = 4,939,094,631,625,363
  5. Step 5: Solve for x
    x = 4,939,094,631,625,363/103,596,955.10
  6. Step 6: Final answer
    x = 47,676,059.85

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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.