Home / 65,148,534.80-97,733,861.40-19,709,968.40

Finding the Fourth Proportional to 65,148,534.80, 97,733,861.40 and 19,709,968.40

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Solution

The fourth proportional to 65,148,534.80, 97,733,861.40 and 19,709,968.40 is: 29,568,298.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,148,534.80 : 97,733,861.40 = 19,709,968.40 : x
  2. Step 2: Convert to fraction form
    65,148,534.80/97,733,861.40 = 19,709,968.40/x
  3. Step 3: Cross multiply
    65,148,534.80x = 97,733,861.40 × 19,709,968.40
  4. Step 4: Simplify right side
    65,148,534.80x = 1,926,331,319,803,979.75
  5. Step 5: Solve for x
    x = 1,926,331,319,803,979.75/65,148,534.80
  6. Step 6: Final answer
    x = 29,568,298.44

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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.