Home / 142,261,802.08-196,321,486.08-77,071,706.08

Finding the Fourth Proportional to 142,261,802.08, 196,321,486.08 and 77,071,706.08

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Solution

The fourth proportional to 142,261,802.08, 196,321,486.08 and 77,071,706.08 is: 106,359,062.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,261,802.08 : 196,321,486.08 = 77,071,706.08 : x
  2. Step 2: Convert to fraction form
    142,261,802.08/196,321,486.08 = 77,071,706.08/x
  3. Step 3: Cross multiply
    142,261,802.08x = 196,321,486.08 × 77,071,706.08
  4. Step 4: Simplify right side
    142,261,802.08x = 15,130,831,872,346,572
  5. Step 5: Solve for x
    x = 15,130,831,872,346,572/142,261,802.08
  6. Step 6: Final answer
    x = 106,359,062.31

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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.