Home / 118,280,255.04-163,227,320.40-66,071,491.20

Finding the Fourth Proportional to 118,280,255.04, 163,227,320.40 and 66,071,491.20

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Solution

The fourth proportional to 118,280,255.04, 163,227,320.40 and 66,071,491.20 is: 91,178,975.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,280,255.04 : 163,227,320.40 = 66,071,491.20 : x
  2. Step 2: Convert to fraction form
    118,280,255.04/163,227,320.40 = 66,071,491.20/x
  3. Step 3: Cross multiply
    118,280,255.04x = 163,227,320.40 × 66,071,491.20
  4. Step 4: Simplify right side
    118,280,255.04x = 10,784,672,463,408,182
  5. Step 5: Solve for x
    x = 10,784,672,463,408,182/118,280,255.04
  6. Step 6: Final answer
    x = 91,178,975.39

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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.