Home / 122,353,573.20-168,852,386.03-66,596,298.65

Finding the Fourth Proportional to 122,353,573.20, 168,852,386.03 and 66,596,298.65

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Solution

The fourth proportional to 122,353,573.20, 168,852,386.03 and 66,596,298.65 is: 91,905,316.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,353,573.20 : 168,852,386.03 = 66,596,298.65 : x
  2. Step 2: Convert to fraction form
    122,353,573.20/168,852,386.03 = 66,596,298.65/x
  3. Step 3: Cross multiply
    122,353,573.20x = 168,852,386.03 × 66,596,298.65
  4. Step 4: Simplify right side
    122,353,573.20x = 11,244,943,927,908,118
  5. Step 5: Solve for x
    x = 11,244,943,927,908,118/122,353,573.20
  6. Step 6: Final answer
    x = 91,905,316.97

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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.