Home / 124,833,034.95-172,293,954.78-75,281,476.11

Finding the Fourth Proportional to 124,833,034.95, 172,293,954.78 and 75,281,476.11

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Solution

The fourth proportional to 124,833,034.95, 172,293,954.78 and 75,281,476.11 is: 103,903,131.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,833,034.95 : 172,293,954.78 = 75,281,476.11 : x
  2. Step 2: Convert to fraction form
    124,833,034.95/172,293,954.78 = 75,281,476.11/x
  3. Step 3: Cross multiply
    124,833,034.95x = 172,293,954.78 × 75,281,476.11
  4. Step 4: Simplify right side
    124,833,034.95x = 12,970,543,239,880,360
  5. Step 5: Solve for x
    x = 12,970,543,239,880,360/124,833,034.95
  6. Step 6: Final answer
    x = 103,903,131.45

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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.