Home / 109,938,809.70-164,908,214.55-84,110,777.10

Finding the Fourth Proportional to 109,938,809.70, 164,908,214.55 and 84,110,777.10

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Solution

The fourth proportional to 109,938,809.70, 164,908,214.55 and 84,110,777.10 is: 126,166,165.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,938,809.70 : 164,908,214.55 = 84,110,777.10 : x
  2. Step 2: Convert to fraction form
    109,938,809.70/164,908,214.55 = 84,110,777.10/x
  3. Step 3: Cross multiply
    109,938,809.70x = 164,908,214.55 × 84,110,777.10
  4. Step 4: Simplify right side
    109,938,809.70x = 13,870,558,075,974,026
  5. Step 5: Solve for x
    x = 13,870,558,075,974,026/109,938,809.70
  6. Step 6: Final answer
    x = 126,166,165.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.