Home / 97,011,168.40-145,162,458.60-71,502,000.40

Finding the Fourth Proportional to 97,011,168.40, 145,162,458.60 and 71,502,000.40

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Solution

The fourth proportional to 97,011,168.40, 145,162,458.60 and 71,502,000.40 is: 106,991,868.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,011,168.40 : 145,162,458.60 = 71,502,000.40 : x
  2. Step 2: Convert to fraction form
    97,011,168.40/145,162,458.60 = 71,502,000.40/x
  3. Step 3: Cross multiply
    97,011,168.40x = 145,162,458.60 × 71,502,000.40
  4. Step 4: Simplify right side
    97,011,168.40x = 10,379,406,172,882,184
  5. Step 5: Solve for x
    x = 10,379,406,172,882,184/97,011,168.40
  6. Step 6: Final answer
    x = 106,991,868.50

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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.