Home / 124,763,313.60-187,157,476.80-42,871,406.40

Finding the Fourth Proportional to 124,763,313.60, 187,157,476.80 and 42,871,406.40

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Solution

The fourth proportional to 124,763,313.60, 187,157,476.80 and 42,871,406.40 is: 64,311,407.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,763,313.60 : 187,157,476.80 = 42,871,406.40 : x
  2. Step 2: Convert to fraction form
    124,763,313.60/187,157,476.80 = 42,871,406.40/x
  3. Step 3: Cross multiply
    124,763,313.60x = 187,157,476.80 × 42,871,406.40
  4. Step 4: Simplify right side
    124,763,313.60x = 8,023,704,248,691,372
  5. Step 5: Solve for x
    x = 8,023,704,248,691,372/124,763,313.60
  6. Step 6: Final answer
    x = 64,311,407.07

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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.