Home / 145,716,977.60-218,827,408.80-77,692,529.60

Finding the Fourth Proportional to 145,716,977.60, 218,827,408.80 and 77,692,529.60

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Solution

The fourth proportional to 145,716,977.60, 218,827,408.80 and 77,692,529.60 is: 116,673,123.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,716,977.60 : 218,827,408.80 = 77,692,529.60 : x
  2. Step 2: Convert to fraction form
    145,716,977.60/218,827,408.80 = 77,692,529.60/x
  3. Step 3: Cross multiply
    145,716,977.60x = 218,827,408.80 × 77,692,529.60
  4. Step 4: Simplify right side
    145,716,977.60x = 17,001,254,935,485,300
  5. Step 5: Solve for x
    x = 17,001,254,935,485,300/145,716,977.60
  6. Step 6: Final answer
    x = 116,673,123.58

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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.