Home / 137,881,113.48-190,270,211.10-75,155,832.12

Finding the Fourth Proportional to 137,881,113.48, 190,270,211.10 and 75,155,832.12

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Solution

The fourth proportional to 137,881,113.48, 190,270,211.10 and 75,155,832.12 is: 103,711,927.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,881,113.48 : 190,270,211.10 = 75,155,832.12 : x
  2. Step 2: Convert to fraction form
    137,881,113.48/190,270,211.10 = 75,155,832.12/x
  3. Step 3: Cross multiply
    137,881,113.48x = 190,270,211.10 × 75,155,832.12
  4. Step 4: Simplify right side
    137,881,113.48x = 14,299,916,042,868,560
  5. Step 5: Solve for x
    x = 14,299,916,042,868,560/137,881,113.48
  6. Step 6: Final answer
    x = 103,711,927.49

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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.