Home / 145,419,842.55-216,849,029.58-144,108,262.77

Finding the Fourth Proportional to 145,419,842.55, 216,849,029.58 and 144,108,262.77

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Solution

The fourth proportional to 145,419,842.55, 216,849,029.58 and 144,108,262.77 is: 214,893,211.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,419,842.55 : 216,849,029.58 = 144,108,262.77 : x
  2. Step 2: Convert to fraction form
    145,419,842.55/216,849,029.58 = 144,108,262.77/x
  3. Step 3: Cross multiply
    145,419,842.55x = 216,849,029.58 × 144,108,262.77
  4. Step 4: Simplify right side
    145,419,842.55x = 31,249,736,936,134,148
  5. Step 5: Solve for x
    x = 31,249,736,936,134,148/145,419,842.55
  6. Step 6: Final answer
    x = 214,893,211.19

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.