Home / 144,316,282.84-199,148,800.05-81,588,630.43

Finding the Fourth Proportional to 144,316,282.84, 199,148,800.05 and 81,588,630.43

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Solution

The fourth proportional to 144,316,282.84, 199,148,800.05 and 81,588,630.43 is: 112,587,973.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,316,282.84 : 199,148,800.05 = 81,588,630.43 : x
  2. Step 2: Convert to fraction form
    144,316,282.84/199,148,800.05 = 81,588,630.43/x
  3. Step 3: Cross multiply
    144,316,282.84x = 199,148,800.05 × 81,588,630.43
  4. Step 4: Simplify right side
    144,316,282.84x = 16,248,277,848,895,226
  5. Step 5: Solve for x
    x = 16,248,277,848,895,226/144,316,282.84
  6. Step 6: Final answer
    x = 112,587,973.64

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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.