Home / 76,424,595.12-105,464,891.50-43,384,555.80

Finding the Fourth Proportional to 76,424,595.12, 105,464,891.50 and 43,384,555.80

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Solution

The fourth proportional to 76,424,595.12, 105,464,891.50 and 43,384,555.80 is: 59,870,091.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,424,595.12 : 105,464,891.50 = 43,384,555.80 : x
  2. Step 2: Convert to fraction form
    76,424,595.12/105,464,891.50 = 43,384,555.80/x
  3. Step 3: Cross multiply
    76,424,595.12x = 105,464,891.50 × 43,384,555.80
  4. Step 4: Simplify right side
    76,424,595.12x = 4,575,547,470,114,234
  5. Step 5: Solve for x
    x = 4,575,547,470,114,234/76,424,595.12
  6. Step 6: Final answer
    x = 59,870,091.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.