Home / 132,805,692.60-199,208,538.90-105,064,472.40

Finding the Fourth Proportional to 132,805,692.60, 199,208,538.90 and 105,064,472.40

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Solution

The fourth proportional to 132,805,692.60, 199,208,538.90 and 105,064,472.40 is: 157,596,708.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,805,692.60 : 199,208,538.90 = 105,064,472.40 : x
  2. Step 2: Convert to fraction form
    132,805,692.60/199,208,538.90 = 105,064,472.40/x
  3. Step 3: Cross multiply
    132,805,692.60x = 199,208,538.90 × 105,064,472.40
  4. Step 4: Simplify right side
    132,805,692.60x = 20,929,740,037,103,380
  5. Step 5: Solve for x
    x = 20,929,740,037,103,380/132,805,692.60
  6. Step 6: Final answer
    x = 157,596,708.60

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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.