Home / 103,117,046-142,305,264.96-59,072,557.28

Finding the Fourth Proportional to 103,117,046, 142,305,264.96 and 59,072,557.28

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Solution

The fourth proportional to 103,117,046, 142,305,264.96 and 59,072,557.28 is: 81,522,272.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,117,046 : 142,305,264.96 = 59,072,557.28 : x
  2. Step 2: Convert to fraction form
    103,117,046/142,305,264.96 = 59,072,557.28/x
  3. Step 3: Cross multiply
    103,117,046x = 142,305,264.96 × 59,072,557.28
  4. Step 4: Simplify right side
    103,117,046x = 8,406,335,915,595,178
  5. Step 5: Solve for x
    x = 8,406,335,915,595,178/103,117,046
  6. Step 6: Final answer
    x = 81,522,272.42

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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.