Home / 86,938,657.24-119,972,810.46-49,767,705.40

Finding the Fourth Proportional to 86,938,657.24, 119,972,810.46 and 49,767,705.40

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Solution

The fourth proportional to 86,938,657.24, 119,972,810.46 and 49,767,705.40 is: 68,677,981.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,938,657.24 : 119,972,810.46 = 49,767,705.40 : x
  2. Step 2: Convert to fraction form
    86,938,657.24/119,972,810.46 = 49,767,705.40/x
  3. Step 3: Cross multiply
    86,938,657.24x = 119,972,810.46 × 49,767,705.40
  4. Step 4: Simplify right side
    86,938,657.24x = 5,970,771,486,983,318
  5. Step 5: Solve for x
    x = 5,970,771,486,983,318/86,938,657.24
  6. Step 6: Final answer
    x = 68,677,981.42

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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.