Home / 105,071,001.85-157,606,502.78-103,636,111.15

Finding the Fourth Proportional to 105,071,001.85, 157,606,502.78 and 103,636,111.15

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Solution

The fourth proportional to 105,071,001.85, 157,606,502.78 and 103,636,111.15 is: 155,454,166.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,071,001.85 : 157,606,502.78 = 103,636,111.15 : x
  2. Step 2: Convert to fraction form
    105,071,001.85/157,606,502.78 = 103,636,111.15/x
  3. Step 3: Cross multiply
    105,071,001.85x = 157,606,502.78 × 103,636,111.15
  4. Step 4: Simplify right side
    105,071,001.85x = 16,333,725,040,070,866
  5. Step 5: Solve for x
    x = 16,333,725,040,070,866/105,071,001.85
  6. Step 6: Final answer
    x = 155,454,166.73

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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.