Home / 76,235,281.65-105,213,656.75-45,295,450.92

Finding the Fourth Proportional to 76,235,281.65, 105,213,656.75 and 45,295,450.92

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Solution

The fourth proportional to 76,235,281.65, 105,213,656.75 and 45,295,450.92 is: 62,513,050.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,235,281.65 : 105,213,656.75 = 45,295,450.92 : x
  2. Step 2: Convert to fraction form
    76,235,281.65/105,213,656.75 = 45,295,450.92/x
  3. Step 3: Cross multiply
    76,235,281.65x = 105,213,656.75 × 45,295,450.92
  4. Step 4: Simplify right side
    76,235,281.65x = 4,765,700,025,206,875
  5. Step 5: Solve for x
    x = 4,765,700,025,206,875/76,235,281.65
  6. Step 6: Final answer
    x = 62,513,050.68

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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.