Home / 109,017,541.80-163,526,312.70-89,533,996.20

Finding the Fourth Proportional to 109,017,541.80, 163,526,312.70 and 89,533,996.20

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Solution

The fourth proportional to 109,017,541.80, 163,526,312.70 and 89,533,996.20 is: 134,300,994.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,017,541.80 : 163,526,312.70 = 89,533,996.20 : x
  2. Step 2: Convert to fraction form
    109,017,541.80/163,526,312.70 = 89,533,996.20/x
  3. Step 3: Cross multiply
    109,017,541.80x = 163,526,312.70 × 89,533,996.20
  4. Step 4: Simplify right side
    109,017,541.80x = 14,641,164,259,881,812
  5. Step 5: Solve for x
    x = 14,641,164,259,881,812/109,017,541.80
  6. Step 6: Final answer
    x = 134,300,994.30

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Similar ratio
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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.