Home / 105,071,001.35-157,606,502.03-103,636,110.65

Finding the Fourth Proportional to 105,071,001.35, 157,606,502.03 and 103,636,110.65

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Solution

The fourth proportional to 105,071,001.35, 157,606,502.03 and 103,636,110.65 is: 155,454,165.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,071,001.35 : 157,606,502.03 = 103,636,110.65 : x
  2. Step 2: Convert to fraction form
    105,071,001.35/157,606,502.03 = 103,636,110.65/x
  3. Step 3: Cross multiply
    105,071,001.35x = 157,606,502.03 × 103,636,110.65
  4. Step 4: Simplify right side
    105,071,001.35x = 16,333,724,883,022,350
  5. Step 5: Solve for x
    x = 16,333,724,883,022,350/105,071,001.35
  6. Step 6: Final answer
    x = 155,454,165.98

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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.