Home / 89,965,068.60-124,059,004.14-76,955,396.92

Finding the Fourth Proportional to 89,965,068.60, 124,059,004.14 and 76,955,396.92

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Solution

The fourth proportional to 89,965,068.60, 124,059,004.14 and 76,955,396.92 is: 106,119,075.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,965,068.60 : 124,059,004.14 = 76,955,396.92 : x
  2. Step 2: Convert to fraction form
    89,965,068.60/124,059,004.14 = 76,955,396.92/x
  3. Step 3: Cross multiply
    89,965,068.60x = 124,059,004.14 × 76,955,396.92
  4. Step 4: Simplify right side
    89,965,068.60x = 9,547,009,905,093,624
  5. Step 5: Solve for x
    x = 9,547,009,905,093,624/89,965,068.60
  6. Step 6: Final answer
    x = 106,119,075.48

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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.