Home / 101,232,438.81-152,090,906.01-64,911,989.13

Finding the Fourth Proportional to 101,232,438.81, 152,090,906.01 and 64,911,989.13

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Solution

The fourth proportional to 101,232,438.81, 152,090,906.01 and 64,911,989.13 is: 97,523,317.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,232,438.81 : 152,090,906.01 = 64,911,989.13 : x
  2. Step 2: Convert to fraction form
    101,232,438.81/152,090,906.01 = 64,911,989.13/x
  3. Step 3: Cross multiply
    101,232,438.81x = 152,090,906.01 × 64,911,989.13
  4. Step 4: Simplify right side
    101,232,438.81x = 9,872,523,237,692,972
  5. Step 5: Solve for x
    x = 9,872,523,237,692,972/101,232,438.81
  6. Step 6: Final answer
    x = 97,523,317.17

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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.