Home / 64,369,611.20-96,554,416.80-18,935,998.40

Finding the Fourth Proportional to 64,369,611.20, 96,554,416.80 and 18,935,998.40

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Solution

The fourth proportional to 64,369,611.20, 96,554,416.80 and 18,935,998.40 is: 28,403,997.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,369,611.20 : 96,554,416.80 = 18,935,998.40 : x
  2. Step 2: Convert to fraction form
    64,369,611.20/96,554,416.80 = 18,935,998.40/x
  3. Step 3: Cross multiply
    64,369,611.20x = 96,554,416.80 × 18,935,998.40
  4. Step 4: Simplify right side
    64,369,611.20x = 1,828,354,282,037,733
  5. Step 5: Solve for x
    x = 1,828,354,282,037,733/64,369,611.20
  6. Step 6: Final answer
    x = 28,403,997.60

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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.