Home / 109,046,865.60-163,371,232.80-66,446,827.20

Finding the Fourth Proportional to 109,046,865.60, 163,371,232.80 and 66,446,827.20

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Solution

The fourth proportional to 109,046,865.60, 163,371,232.80 and 66,446,827.20 is: 99,548,941.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,046,865.60 : 163,371,232.80 = 66,446,827.20 : x
  2. Step 2: Convert to fraction form
    109,046,865.60/163,371,232.80 = 66,446,827.20/x
  3. Step 3: Cross multiply
    109,046,865.60x = 163,371,232.80 × 66,446,827.20
  4. Step 4: Simplify right side
    109,046,865.60x = 10,855,500,075,312,574
  5. Step 5: Solve for x
    x = 10,855,500,075,312,574/109,046,865.60
  6. Step 6: Final answer
    x = 99,548,941.78

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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.