Home / 81,835,492.16-112,932,422.88-45,166,063.04

Finding the Fourth Proportional to 81,835,492.16, 112,932,422.88 and 45,166,063.04

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Solution

The fourth proportional to 81,835,492.16, 112,932,422.88 and 45,166,063.04 is: 62,328,859.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,835,492.16 : 112,932,422.88 = 45,166,063.04 : x
  2. Step 2: Convert to fraction form
    81,835,492.16/112,932,422.88 = 45,166,063.04/x
  3. Step 3: Cross multiply
    81,835,492.16x = 112,932,422.88 × 45,166,063.04
  4. Step 4: Simplify right side
    81,835,492.16x = 5,100,712,931,058,018
  5. Step 5: Solve for x
    x = 5,100,712,931,058,018/81,835,492.16
  6. Step 6: Final answer
    x = 62,328,859.97

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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.