Home / 99,272,007.68-148,909,877.76-31,113,190.40

Finding the Fourth Proportional to 99,272,007.68, 148,909,877.76 and 31,113,190.40

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Solution

The fourth proportional to 99,272,007.68, 148,909,877.76 and 31,113,190.40 is: 46,670,370.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,272,007.68 : 148,909,877.76 = 31,113,190.40 : x
  2. Step 2: Convert to fraction form
    99,272,007.68/148,909,877.76 = 31,113,190.40/x
  3. Step 3: Cross multiply
    99,272,007.68x = 148,909,877.76 × 31,113,190.40
  4. Step 4: Simplify right side
    99,272,007.68x = 4,633,061,379,187,605
  5. Step 5: Solve for x
    x = 4,633,061,379,187,605/99,272,007.68
  6. Step 6: Final answer
    x = 46,670,370.50

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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.