Home / 111,240,572.29-153,497,879.92-60,991,567.40

Finding the Fourth Proportional to 111,240,572.29, 153,497,879.92 and 60,991,567.40

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Solution

The fourth proportional to 111,240,572.29, 153,497,879.92 and 60,991,567.40 is: 84,160,626.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,240,572.29 : 153,497,879.92 = 60,991,567.40 : x
  2. Step 2: Convert to fraction form
    111,240,572.29/153,497,879.92 = 60,991,567.40/x
  3. Step 3: Cross multiply
    111,240,572.29x = 153,497,879.92 × 60,991,567.40
  4. Step 4: Simplify right side
    111,240,572.29x = 9,362,076,288,897,786
  5. Step 5: Solve for x
    x = 9,362,076,288,897,786/111,240,572.29
  6. Step 6: Final answer
    x = 84,160,626.79

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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.