Home / 99,696,010.40-149,544,015.60-39,113,712.80

Finding the Fourth Proportional to 99,696,010.40, 149,544,015.60 and 39,113,712.80

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Solution

The fourth proportional to 99,696,010.40, 149,544,015.60 and 39,113,712.80 is: 58,670,569.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,696,010.40 : 149,544,015.60 = 39,113,712.80 : x
  2. Step 2: Convert to fraction form
    99,696,010.40/149,544,015.60 = 39,113,712.80/x
  3. Step 3: Cross multiply
    99,696,010.40x = 149,544,015.60 × 39,113,712.80
  4. Step 4: Simplify right side
    99,696,010.40x = 5,849,221,677,137,119
  5. Step 5: Solve for x
    x = 5,849,221,677,137,119/99,696,010.40
  6. Step 6: Final answer
    x = 58,670,569.20

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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.