Home / 117,849,983.64-162,604,294.20-77,611,826.22

Finding the Fourth Proportional to 117,849,983.64, 162,604,294.20 and 77,611,826.22

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Solution

The fourth proportional to 117,849,983.64, 162,604,294.20 and 77,611,826.22 is: 107,085,430.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,849,983.64 : 162,604,294.20 = 77,611,826.22 : x
  2. Step 2: Convert to fraction form
    117,849,983.64/162,604,294.20 = 77,611,826.22/x
  3. Step 3: Cross multiply
    117,849,983.64x = 162,604,294.20 × 77,611,826.22
  4. Step 4: Simplify right side
    117,849,983.64x = 12,620,016,224,076,152
  5. Step 5: Solve for x
    x = 12,620,016,224,076,152/117,849,983.64
  6. Step 6: Final answer
    x = 107,085,430.43

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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.