Home / 66,433,543.70-99,650,315.55-57,186,470.30

Finding the Fourth Proportional to 66,433,543.70, 99,650,315.55 and 57,186,470.30

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Solution

The fourth proportional to 66,433,543.70, 99,650,315.55 and 57,186,470.30 is: 85,779,705.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,433,543.70 : 99,650,315.55 = 57,186,470.30 : x
  2. Step 2: Convert to fraction form
    66,433,543.70/99,650,315.55 = 57,186,470.30/x
  3. Step 3: Cross multiply
    66,433,543.70x = 99,650,315.55 × 57,186,470.30
  4. Step 4: Simplify right side
    66,433,543.70x = 5,698,649,810,585,703
  5. Step 5: Solve for x
    x = 5,698,649,810,585,703/66,433,543.70
  6. Step 6: Final answer
    x = 85,779,705.45

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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.