Home / 93,312,861.30-139,969,291.95-87,639,491.70

Finding the Fourth Proportional to 93,312,861.30, 139,969,291.95 and 87,639,491.70

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Solution

The fourth proportional to 93,312,861.30, 139,969,291.95 and 87,639,491.70 is: 131,459,237.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,312,861.30 : 139,969,291.95 = 87,639,491.70 : x
  2. Step 2: Convert to fraction form
    93,312,861.30/139,969,291.95 = 87,639,491.70/x
  3. Step 3: Cross multiply
    93,312,861.30x = 139,969,291.95 × 87,639,491.70
  4. Step 4: Simplify right side
    93,312,861.30x = 12,266,837,600,106,902
  5. Step 5: Solve for x
    x = 12,266,837,600,106,902/93,312,861.30
  6. Step 6: Final answer
    x = 131,459,237.55

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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.