Home / 64,939,455.62-97,421,715.84-21,208,457.61

Finding the Fourth Proportional to 64,939,455.62, 97,421,715.84 and 21,208,457.61

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Solution

The fourth proportional to 64,939,455.62, 97,421,715.84 and 21,208,457.61 is: 31,816,779.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,939,455.62 : 97,421,715.84 = 21,208,457.61 : x
  2. Step 2: Convert to fraction form
    64,939,455.62/97,421,715.84 = 21,208,457.61/x
  3. Step 3: Cross multiply
    64,939,455.62x = 97,421,715.84 × 21,208,457.61
  4. Step 4: Simplify right side
    64,939,455.62x = 2,066,164,330,294,955.75
  5. Step 5: Solve for x
    x = 2,066,164,330,294,955.75/64,939,455.62
  6. Step 6: Final answer
    x = 31,816,779.34

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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.