Home / 122,353,572.32-168,852,384.80-66,596,297.75

Finding the Fourth Proportional to 122,353,572.32, 168,852,384.80 and 66,596,297.75

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Solution

The fourth proportional to 122,353,572.32, 168,852,384.80 and 66,596,297.75 is: 91,905,315.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,353,572.32 : 168,852,384.80 = 66,596,297.75 : x
  2. Step 2: Convert to fraction form
    122,353,572.32/168,852,384.80 = 66,596,297.75/x
  3. Step 3: Cross multiply
    122,353,572.32x = 168,852,384.80 × 66,596,297.75
  4. Step 4: Simplify right side
    122,353,572.32x = 11,244,943,692,761,130
  5. Step 5: Solve for x
    x = 11,244,943,692,761,130/122,353,572.32
  6. Step 6: Final answer
    x = 91,905,315.72

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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.