Home / 65,990,531.20-98,985,796.80-59,048,118.40

Finding the Fourth Proportional to 65,990,531.20, 98,985,796.80 and 59,048,118.40

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Solution

The fourth proportional to 65,990,531.20, 98,985,796.80 and 59,048,118.40 is: 88,572,177.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,990,531.20 : 98,985,796.80 = 59,048,118.40 : x
  2. Step 2: Convert to fraction form
    65,990,531.20/98,985,796.80 = 59,048,118.40/x
  3. Step 3: Cross multiply
    65,990,531.20x = 98,985,796.80 × 59,048,118.40
  4. Step 4: Simplify right side
    65,990,531.20x = 5,844,925,049,364,741
  5. Step 5: Solve for x
    x = 5,844,925,049,364,741/65,990,531.20
  6. Step 6: Final answer
    x = 88,572,177.60

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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.