Home / 66,314,763.60-99,472,145.40-39,374,552.40

Finding the Fourth Proportional to 66,314,763.60, 99,472,145.40 and 39,374,552.40

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Solution

The fourth proportional to 66,314,763.60, 99,472,145.40 and 39,374,552.40 is: 59,061,828.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,314,763.60 : 99,472,145.40 = 39,374,552.40 : x
  2. Step 2: Convert to fraction form
    66,314,763.60/99,472,145.40 = 39,374,552.40/x
  3. Step 3: Cross multiply
    66,314,763.60x = 99,472,145.40 × 39,374,552.40
  4. Step 4: Simplify right side
    66,314,763.60x = 3,916,671,201,392,719
  5. Step 5: Solve for x
    x = 3,916,671,201,392,719/66,314,763.60
  6. Step 6: Final answer
    x = 59,061,828.60

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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.