Home / 173,241,788,574.40-239,042,057,001.69-99,971,289,159.11

Finding the Fourth Proportional to 173,241,788,574.40, 239,042,057,001.69 and 99,971,289,159.11

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Solution

The fourth proportional to 173,241,788,574.40, 239,042,057,001.69 and 99,971,289,159.11 is: 137,942,137,392.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,241,788,574.40 : 239,042,057,001.69 = 99,971,289,159.11 : x
  2. Step 2: Convert to fraction form
    173,241,788,574.40/239,042,057,001.69 = 99,971,289,159.11/x
  3. Step 3: Cross multiply
    173,241,788,574.40x = 239,042,057,001.69 × 99,971,289,159.11
  4. Step 4: Simplify right side
    173,241,788,574.40x = 23,897,342,601,703,930,724,352
  5. Step 5: Solve for x
    x = 23,897,342,601,703,930,724,352/173,241,788,574.40
  6. Step 6: Final answer
    x = 137,942,137,392.80

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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.