Home / 156,830,341.20-235,245,511.80-144,289,208.40

Finding the Fourth Proportional to 156,830,341.20, 235,245,511.80 and 144,289,208.40

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Solution

The fourth proportional to 156,830,341.20, 235,245,511.80 and 144,289,208.40 is: 216,433,812.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,830,341.20 : 235,245,511.80 = 144,289,208.40 : x
  2. Step 2: Convert to fraction form
    156,830,341.20/235,245,511.80 = 144,289,208.40/x
  3. Step 3: Cross multiply
    156,830,341.20x = 235,245,511.80 × 144,289,208.40
  4. Step 4: Simplify right side
    156,830,341.20x = 33,943,388,677,274,864
  5. Step 5: Solve for x
    x = 33,943,388,677,274,864/156,830,341.20
  6. Step 6: Final answer
    x = 216,433,812.60

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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.