Home / 74,896,071.20-112,344,106.80-54,740,679.20

Finding the Fourth Proportional to 74,896,071.20, 112,344,106.80 and 54,740,679.20

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Solution

The fourth proportional to 74,896,071.20, 112,344,106.80 and 54,740,679.20 is: 82,111,018.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,896,071.20 : 112,344,106.80 = 54,740,679.20 : x
  2. Step 2: Convert to fraction form
    74,896,071.20/112,344,106.80 = 54,740,679.20/x
  3. Step 3: Cross multiply
    74,896,071.20x = 112,344,106.80 × 54,740,679.20
  4. Step 4: Simplify right side
    74,896,071.20x = 6,149,792,710,349,339
  5. Step 5: Solve for x
    x = 6,149,792,710,349,339/74,896,071.20
  6. Step 6: Final answer
    x = 82,111,018.80

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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.