Home / 105,901,899.93-158,900,756.54-54,059,722.65

Finding the Fourth Proportional to 105,901,899.93, 158,900,756.54 and 54,059,722.65

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Solution

The fourth proportional to 105,901,899.93, 158,900,756.54 and 54,059,722.65 is: 81,114,038.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,901,899.93 : 158,900,756.54 = 54,059,722.65 : x
  2. Step 2: Convert to fraction form
    105,901,899.93/158,900,756.54 = 54,059,722.65/x
  3. Step 3: Cross multiply
    105,901,899.93x = 158,900,756.54 × 54,059,722.65
  4. Step 4: Simplify right side
    105,901,899.93x = 8,590,130,827,157,275
  5. Step 5: Solve for x
    x = 8,590,130,827,157,275/105,901,899.93
  6. Step 6: Final answer
    x = 81,114,038.87

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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.