Home / 170,695,938.60-256,043,907.90-127,649,217.60

Finding the Fourth Proportional to 170,695,938.60, 256,043,907.90 and 127,649,217.60

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Solution

The fourth proportional to 170,695,938.60, 256,043,907.90 and 127,649,217.60 is: 191,473,826.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,695,938.60 : 256,043,907.90 = 127,649,217.60 : x
  2. Step 2: Convert to fraction form
    170,695,938.60/256,043,907.90 = 127,649,217.60/x
  3. Step 3: Cross multiply
    170,695,938.60x = 256,043,907.90 × 127,649,217.60
  4. Step 4: Simplify right side
    170,695,938.60x = 32,683,804,514,681,460
  5. Step 5: Solve for x
    x = 32,683,804,514,681,460/170,695,938.60
  6. Step 6: Final answer
    x = 191,473,826.40

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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.