Home / 128,736,000.40-193,104,000.60-37,868,774.80

Finding the Fourth Proportional to 128,736,000.40, 193,104,000.60 and 37,868,774.80

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Solution

The fourth proportional to 128,736,000.40, 193,104,000.60 and 37,868,774.80 is: 56,803,162.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,736,000.40 : 193,104,000.60 = 37,868,774.80 : x
  2. Step 2: Convert to fraction form
    128,736,000.40/193,104,000.60 = 37,868,774.80/x
  3. Step 3: Cross multiply
    128,736,000.40x = 193,104,000.60 × 37,868,774.80
  4. Step 4: Simplify right side
    128,736,000.40x = 7,312,611,911,700,464
  5. Step 5: Solve for x
    x = 7,312,611,911,700,464/128,736,000.40
  6. Step 6: Final answer
    x = 56,803,162.20

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1.5x scale

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.