Home / 110,779,252.99-166,020,345.76-86,216,838.67

Finding the Fourth Proportional to 110,779,252.99, 166,020,345.76 and 86,216,838.67

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Solution

The fourth proportional to 110,779,252.99, 166,020,345.76 and 86,216,838.67 is: 129,209,657.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,779,252.99 : 166,020,345.76 = 86,216,838.67 : x
  2. Step 2: Convert to fraction form
    110,779,252.99/166,020,345.76 = 86,216,838.67/x
  3. Step 3: Cross multiply
    110,779,252.99x = 166,020,345.76 × 86,216,838.67
  4. Step 4: Simplify right side
    110,779,252.99x = 14,313,749,366,327,538
  5. Step 5: Solve for x
    x = 14,313,749,366,327,538/110,779,252.99
  6. Step 6: Final answer
    x = 129,209,657.77

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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.