Home / 99,066,273.40-148,473,438.90-47,837,985.40

Finding the Fourth Proportional to 99,066,273.40, 148,473,438.90 and 47,837,985.40

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Solution

The fourth proportional to 99,066,273.40, 148,473,438.90 and 47,837,985.40 is: 71,696,148.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,066,273.40 : 148,473,438.90 = 47,837,985.40 : x
  2. Step 2: Convert to fraction form
    99,066,273.40/148,473,438.90 = 47,837,985.40/x
  3. Step 3: Cross multiply
    99,066,273.40x = 148,473,438.90 × 47,837,985.40
  4. Step 4: Simplify right side
    99,066,273.40x = 7,102,670,202,385,992
  5. Step 5: Solve for x
    x = 7,102,670,202,385,992/99,066,273.40
  6. Step 6: Final answer
    x = 71,696,148.03

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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.