Home / 99,696,047.40-149,544,071.10-39,113,749.80

Finding the Fourth Proportional to 99,696,047.40, 149,544,071.10 and 39,113,749.80

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Solution

The fourth proportional to 99,696,047.40, 149,544,071.10 and 39,113,749.80 is: 58,670,624.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,696,047.40 : 149,544,071.10 = 39,113,749.80 : x
  2. Step 2: Convert to fraction form
    99,696,047.40/149,544,071.10 = 39,113,749.80/x
  3. Step 3: Cross multiply
    99,696,047.40x = 149,544,071.10 × 39,113,749.80
  4. Step 4: Simplify right side
    99,696,047.40x = 5,849,229,381,078,810
  5. Step 5: Solve for x
    x = 5,849,229,381,078,810/99,696,047.40
  6. Step 6: Final answer
    x = 58,670,624.70

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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.