Home / 145,673,669.55-218,482,510.73-43,441,042.35

Finding the Fourth Proportional to 145,673,669.55, 218,482,510.73 and 43,441,042.35

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Solution

The fourth proportional to 145,673,669.55, 218,482,510.73 and 43,441,042.35 is: 65,153,215.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,673,669.55 : 218,482,510.73 = 43,441,042.35 : x
  2. Step 2: Convert to fraction form
    145,673,669.55/218,482,510.73 = 43,441,042.35/x
  3. Step 3: Cross multiply
    145,673,669.55x = 218,482,510.73 × 43,441,042.35
  4. Step 4: Simplify right side
    145,673,669.55x = 9,491,108,001,139,054
  5. Step 5: Solve for x
    x = 9,491,108,001,139,054/145,673,669.55
  6. Step 6: Final answer
    x = 65,153,215.61

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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.