Home / 105,071,000.85-157,606,501.28-103,636,110.15

Finding the Fourth Proportional to 105,071,000.85, 157,606,501.28 and 103,636,110.15

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Solution

The fourth proportional to 105,071,000.85, 157,606,501.28 and 103,636,110.15 is: 155,454,165.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,071,000.85 : 157,606,501.28 = 103,636,110.15 : x
  2. Step 2: Convert to fraction form
    105,071,000.85/157,606,501.28 = 103,636,110.15/x
  3. Step 3: Cross multiply
    105,071,000.85x = 157,606,501.28 × 103,636,110.15
  4. Step 4: Simplify right side
    105,071,000.85x = 16,333,724,726,492,016
  5. Step 5: Solve for x
    x = 16,333,724,726,492,016/105,071,000.85
  6. Step 6: Final answer
    x = 155,454,165.23

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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.