Home / 101,283,705.60-139,632,693.12-64,095,486.72

Finding the Fourth Proportional to 101,283,705.60, 139,632,693.12 and 64,095,486.72

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Solution

The fourth proportional to 101,283,705.60, 139,632,693.12 and 64,095,486.72 is: 88,363,921.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,283,705.60 : 139,632,693.12 = 64,095,486.72 : x
  2. Step 2: Convert to fraction form
    101,283,705.60/139,632,693.12 = 64,095,486.72/x
  3. Step 3: Cross multiply
    101,283,705.60x = 139,632,693.12 × 64,095,486.72
  4. Step 4: Simplify right side
    101,283,705.60x = 8,949,825,427,550,796
  5. Step 5: Solve for x
    x = 8,949,825,427,550,796/101,283,705.60
  6. Step 6: Final answer
    x = 88,363,921.66

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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.