Home / 117,782,788.04-162,537,071.95-65,571,828.29

Finding the Fourth Proportional to 117,782,788.04, 162,537,071.95 and 65,571,828.29

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Solution

The fourth proportional to 117,782,788.04, 162,537,071.95 and 65,571,828.29 is: 90,487,355.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,782,788.04 : 162,537,071.95 = 65,571,828.29 : x
  2. Step 2: Convert to fraction form
    117,782,788.04/162,537,071.95 = 65,571,828.29/x
  3. Step 3: Cross multiply
    117,782,788.04x = 162,537,071.95 × 65,571,828.29
  4. Step 4: Simplify right side
    117,782,788.04x = 10,657,852,972,664,774
  5. Step 5: Solve for x
    x = 10,657,852,972,664,774/117,782,788.04
  6. Step 6: Final answer
    x = 90,487,355.16

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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.