Home / 110,779,222.05-166,020,299.29-86,216,808.51

Finding the Fourth Proportional to 110,779,222.05, 166,020,299.29 and 86,216,808.51

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Solution

The fourth proportional to 110,779,222.05, 166,020,299.29 and 86,216,808.51 is: 129,209,612.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,779,222.05 : 166,020,299.29 = 86,216,808.51 : x
  2. Step 2: Convert to fraction form
    110,779,222.05/166,020,299.29 = 86,216,808.51/x
  3. Step 3: Cross multiply
    110,779,222.05x = 166,020,299.29 × 86,216,808.51
  4. Step 4: Simplify right side
    110,779,222.05x = 14,313,740,352,766,590
  5. Step 5: Solve for x
    x = 14,313,740,352,766,590/110,779,222.05
  6. Step 6: Final answer
    x = 129,209,612.49

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1.5x scale

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.