Home / 385,485,609.72-578,235,870.90-94,355,228.28

Finding the Fourth Proportional to 385,485,609.72, 578,235,870.90 and 94,355,228.28

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Solution

The fourth proportional to 385,485,609.72, 578,235,870.90 and 94,355,228.28 is: 141,534,667.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,485,609.72 : 578,235,870.90 = 94,355,228.28 : x
  2. Step 2: Convert to fraction form
    385,485,609.72/578,235,870.90 = 94,355,228.28/x
  3. Step 3: Cross multiply
    385,485,609.72x = 578,235,870.90 × 94,355,228.28
  4. Step 4: Simplify right side
    385,485,609.72x = 54,559,577,598,454,104
  5. Step 5: Solve for x
    x = 54,559,577,598,454,104/385,485,609.72
  6. Step 6: Final answer
    x = 141,534,667.50

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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.