Home / 66,445,166.80-99,667,750.20-64,952,174.80

Finding the Fourth Proportional to 66,445,166.80, 99,667,750.20 and 64,952,174.80

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Solution

The fourth proportional to 66,445,166.80, 99,667,750.20 and 64,952,174.80 is: 97,428,262.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,445,166.80 : 99,667,750.20 = 64,952,174.80 : x
  2. Step 2: Convert to fraction form
    66,445,166.80/99,667,750.20 = 64,952,174.80/x
  3. Step 3: Cross multiply
    66,445,166.80x = 99,667,750.20 × 64,952,174.80
  4. Step 4: Simplify right side
    66,445,166.80x = 6,473,637,132,913,135
  5. Step 5: Solve for x
    x = 6,473,637,132,913,135/66,445,166.80
  6. Step 6: Final answer
    x = 97,428,262.20

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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.