Home / 66,528,029.60-99,792,044.40-47,157,005.15

Finding the Fourth Proportional to 66,528,029.60, 99,792,044.40 and 47,157,005.15

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Solution

The fourth proportional to 66,528,029.60, 99,792,044.40 and 47,157,005.15 is: 70,735,507.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,528,029.60 : 99,792,044.40 = 47,157,005.15 : x
  2. Step 2: Convert to fraction form
    66,528,029.60/99,792,044.40 = 47,157,005.15/x
  3. Step 3: Cross multiply
    66,528,029.60x = 99,792,044.40 × 47,157,005.15
  4. Step 4: Simplify right side
    66,528,029.60x = 4,705,893,951,699,829
  5. Step 5: Solve for x
    x = 4,705,893,951,699,829/66,528,029.60
  6. Step 6: Final answer
    x = 70,735,507.73

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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.