Home / 99,068,071.68-148,619,960.70-40,765,451.04

Finding the Fourth Proportional to 99,068,071.68, 148,619,960.70 and 40,765,451.04

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Solution

The fourth proportional to 99,068,071.68, 148,619,960.70 and 40,765,451.04 is: 61,155,522.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,068,071.68 : 148,619,960.70 = 40,765,451.04 : x
  2. Step 2: Convert to fraction form
    99,068,071.68/148,619,960.70 = 40,765,451.04/x
  3. Step 3: Cross multiply
    99,068,071.68x = 148,619,960.70 × 40,765,451.04
  4. Step 4: Simplify right side
    99,068,071.68x = 6,058,559,731,482,574
  5. Step 5: Solve for x
    x = 6,058,559,731,482,574/99,068,071.68
  6. Step 6: Final answer
    x = 61,155,522.95

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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.