Home / 114,928,641.86-172,453,497.12-66,440,549.30

Finding the Fourth Proportional to 114,928,641.86, 172,453,497.12 and 66,440,549.30

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Solution

The fourth proportional to 114,928,641.86, 172,453,497.12 and 66,440,549.30 is: 99,695,819.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,928,641.86 : 172,453,497.12 = 66,440,549.30 : x
  2. Step 2: Convert to fraction form
    114,928,641.86/172,453,497.12 = 66,440,549.30/x
  3. Step 3: Cross multiply
    114,928,641.86x = 172,453,497.12 × 66,440,549.30
  4. Step 4: Simplify right side
    114,928,641.86x = 11,457,905,076,496,502
  5. Step 5: Solve for x
    x = 11,457,905,076,496,502/114,928,641.86
  6. Step 6: Final answer
    x = 99,695,819.00

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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.