Home / 65,685,614.40-98,528,421.60-64,005,998.40

Finding the Fourth Proportional to 65,685,614.40, 98,528,421.60 and 64,005,998.40

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Solution

The fourth proportional to 65,685,614.40, 98,528,421.60 and 64,005,998.40 is: 96,008,997.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,685,614.40 : 98,528,421.60 = 64,005,998.40 : x
  2. Step 2: Convert to fraction form
    65,685,614.40/98,528,421.60 = 64,005,998.40/x
  3. Step 3: Cross multiply
    65,685,614.40x = 98,528,421.60 × 64,005,998.40
  4. Step 4: Simplify right side
    65,685,614.40x = 6,306,409,995,284,125
  5. Step 5: Solve for x
    x = 6,306,409,995,284,125/65,685,614.40
  6. Step 6: Final answer
    x = 96,008,997.60

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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.