Home / 133,139,421.86-183,732,651.09-74,402,087.04

Finding the Fourth Proportional to 133,139,421.86, 183,732,651.09 and 74,402,087.04

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Solution

The fourth proportional to 133,139,421.86, 183,732,651.09 and 74,402,087.04 is: 102,675,019.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,139,421.86 : 183,732,651.09 = 74,402,087.04 : x
  2. Step 2: Convert to fraction form
    133,139,421.86/183,732,651.09 = 74,402,087.04/x
  3. Step 3: Cross multiply
    133,139,421.86x = 183,732,651.09 × 74,402,087.04
  4. Step 4: Simplify right side
    133,139,421.86x = 13,670,092,698,488,132
  5. Step 5: Solve for x
    x = 13,670,092,698,488,132/133,139,421.86
  6. Step 6: Final answer
    x = 102,675,019.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.