Home / 93,312,103.60-139,968,155.40-86,509,658.80

Finding the Fourth Proportional to 93,312,103.60, 139,968,155.40 and 86,509,658.80

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Solution

The fourth proportional to 93,312,103.60, 139,968,155.40 and 86,509,658.80 is: 129,764,488.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,312,103.60 : 139,968,155.40 = 86,509,658.80 : x
  2. Step 2: Convert to fraction form
    93,312,103.60/139,968,155.40 = 86,509,658.80/x
  3. Step 3: Cross multiply
    93,312,103.60x = 139,968,155.40 × 86,509,658.80
  4. Step 4: Simplify right side
    93,312,103.60x = 12,108,597,366,519,378
  5. Step 5: Solve for x
    x = 12,108,597,366,519,378/93,312,103.60
  6. Step 6: Final answer
    x = 129,764,488.20

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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.