Home / 176,382,374.40-243,421,311.06-105,820,640.07

Finding the Fourth Proportional to 176,382,374.40, 243,421,311.06 and 105,820,640.07

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Solution

The fourth proportional to 176,382,374.40, 243,421,311.06 and 105,820,640.07 is: 146,040,663.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,382,374.40 : 243,421,311.06 = 105,820,640.07 : x
  2. Step 2: Convert to fraction form
    176,382,374.40/243,421,311.06 = 105,820,640.07/x
  3. Step 3: Cross multiply
    176,382,374.40x = 243,421,311.06 × 105,820,640.07
  4. Step 4: Simplify right side
    176,382,374.40x = 25,758,998,943,047,768
  5. Step 5: Solve for x
    x = 25,758,998,943,047,768/176,382,374.40
  6. Step 6: Final answer
    x = 146,040,663.25

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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.