Home / 156,830,343.20-235,245,514.80-144,289,210.40

Finding the Fourth Proportional to 156,830,343.20, 235,245,514.80 and 144,289,210.40

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Solution

The fourth proportional to 156,830,343.20, 235,245,514.80 and 144,289,210.40 is: 216,433,815.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,830,343.20 : 235,245,514.80 = 144,289,210.40 : x
  2. Step 2: Convert to fraction form
    156,830,343.20/235,245,514.80 = 144,289,210.40/x
  3. Step 3: Cross multiply
    156,830,343.20x = 235,245,514.80 × 144,289,210.40
  4. Step 4: Simplify right side
    156,830,343.20x = 33,943,389,580,633,516
  5. Step 5: Solve for x
    x = 33,943,389,580,633,516/156,830,343.20
  6. Step 6: Final answer
    x = 216,433,815.60

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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.