Home / 144,358,858.85-216,551,017.70-40,728,970.85

Finding the Fourth Proportional to 144,358,858.85, 216,551,017.70 and 40,728,970.85

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Solution

The fourth proportional to 144,358,858.85, 216,551,017.70 and 40,728,970.85 is: 61,097,047.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,358,858.85 : 216,551,017.70 = 40,728,970.85 : x
  2. Step 2: Convert to fraction form
    144,358,858.85/216,551,017.70 = 40,728,970.85/x
  3. Step 3: Cross multiply
    144,358,858.85x = 216,551,017.70 × 40,728,970.85
  4. Step 4: Simplify right side
    144,358,858.85x = 8,819,900,087,441,134
  5. Step 5: Solve for x
    x = 8,819,900,087,441,134/144,358,858.85
  6. Step 6: Final answer
    x = 61,097,047.72

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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.