Home / 110,779,222.64-166,020,300.18-86,216,809.05

Finding the Fourth Proportional to 110,779,222.64, 166,020,300.18 and 86,216,809.05

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Solution

The fourth proportional to 110,779,222.64, 166,020,300.18 and 86,216,809.05 is: 129,209,613.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,779,222.64 : 166,020,300.18 = 86,216,809.05 : x
  2. Step 2: Convert to fraction form
    110,779,222.64/166,020,300.18 = 86,216,809.05/x
  3. Step 3: Cross multiply
    110,779,222.64x = 166,020,300.18 × 86,216,809.05
  4. Step 4: Simplify right side
    110,779,222.64x = 14,313,740,519,042,740
  5. Step 5: Solve for x
    x = 14,313,740,519,042,740/110,779,222.64
  6. Step 6: Final answer
    x = 129,209,613.31

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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.