Home / 110,779,590.08-166,020,848.54-86,217,174.38

Finding the Fourth Proportional to 110,779,590.08, 166,020,848.54 and 86,217,174.38

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Solution

The fourth proportional to 110,779,590.08, 166,020,848.54 and 86,217,174.38 is: 129,210,159.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,779,590.08 : 166,020,848.54 = 86,217,174.38 : x
  2. Step 2: Convert to fraction form
    110,779,590.08/166,020,848.54 = 86,217,174.38/x
  3. Step 3: Cross multiply
    110,779,590.08x = 166,020,848.54 × 86,217,174.38
  4. Step 4: Simplify right side
    110,779,590.08x = 14,313,848,449,288,746
  5. Step 5: Solve for x
    x = 14,313,848,449,288,746/110,779,590.08
  6. Step 6: Final answer
    x = 129,210,159.01

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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.