Home / 306,118,140.06-459,083,026.92-87,709,962.42

Finding the Fourth Proportional to 306,118,140.06, 459,083,026.92 and 87,709,962.42

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Solution

The fourth proportional to 306,118,140.06, 459,083,026.92 and 87,709,962.42 is: 131,537,957.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,118,140.06 : 459,083,026.92 = 87,709,962.42 : x
  2. Step 2: Convert to fraction form
    306,118,140.06/459,083,026.92 = 87,709,962.42/x
  3. Step 3: Cross multiply
    306,118,140.06x = 459,083,026.92 × 87,709,962.42
  4. Step 4: Simplify right side
    306,118,140.06x = 40,266,155,038,813,048
  5. Step 5: Solve for x
    x = 40,266,155,038,813,048/306,118,140.06
  6. Step 6: Final answer
    x = 131,537,957.96

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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.