Home / 154,883,000.66-213,730,852.73-85,266,886.87

Finding the Fourth Proportional to 154,883,000.66, 213,730,852.73 and 85,266,886.87

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Solution

The fourth proportional to 154,883,000.66, 213,730,852.73 and 85,266,886.87 is: 117,664,071.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,883,000.66 : 213,730,852.73 = 85,266,886.87 : x
  2. Step 2: Convert to fraction form
    154,883,000.66/213,730,852.73 = 85,266,886.87/x
  3. Step 3: Cross multiply
    154,883,000.66x = 213,730,852.73 × 85,266,886.87
  4. Step 4: Simplify right side
    154,883,000.66x = 18,224,164,440,036,380
  5. Step 5: Solve for x
    x = 18,224,164,440,036,380/154,883,000.66
  6. Step 6: Final answer
    x = 117,664,071.34

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1.5x scale

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.