Home / 145,569,970.53-218,281,939.16-48,491,548.29

Finding the Fourth Proportional to 145,569,970.53, 218,281,939.16 and 48,491,548.29

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Solution

The fourth proportional to 145,569,970.53, 218,281,939.16 and 48,491,548.29 is: 72,712,999.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,569,970.53 : 218,281,939.16 = 48,491,548.29 : x
  2. Step 2: Convert to fraction form
    145,569,970.53/218,281,939.16 = 48,491,548.29/x
  3. Step 3: Cross multiply
    145,569,970.53x = 218,281,939.16 × 48,491,548.29
  4. Step 4: Simplify right side
    145,569,970.53x = 10,584,829,193,369,524
  5. Step 5: Solve for x
    x = 10,584,829,193,369,524/145,569,970.53
  6. Step 6: Final answer
    x = 72,712,999.49

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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.