Home / 101,406,911.43-152,110,130.63-66,611,661.47

Finding the Fourth Proportional to 101,406,911.43, 152,110,130.63 and 66,611,661.47

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Solution

The fourth proportional to 101,406,911.43, 152,110,130.63 and 66,611,661.47 is: 99,917,336.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,406,911.43 : 152,110,130.63 = 66,611,661.47 : x
  2. Step 2: Convert to fraction form
    101,406,911.43/152,110,130.63 = 66,611,661.47/x
  3. Step 3: Cross multiply
    101,406,911.43x = 152,110,130.63 × 66,611,661.47
  4. Step 4: Simplify right side
    101,406,911.43x = 10,132,308,528,350,996
  5. Step 5: Solve for x
    x = 10,132,308,528,350,996/101,406,911.43
  6. Step 6: Final answer
    x = 99,917,336.85

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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.