Home / 256,931,494.11-385,335,532.70-118,624,215.36

Finding the Fourth Proportional to 256,931,494.11, 385,335,532.70 and 118,624,215.36

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Solution

The fourth proportional to 256,931,494.11, 385,335,532.70 and 118,624,215.36 is: 177,907,832.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,931,494.11 : 385,335,532.70 = 118,624,215.36 : x
  2. Step 2: Convert to fraction form
    256,931,494.11/385,335,532.70 = 118,624,215.36/x
  3. Step 3: Cross multiply
    256,931,494.11x = 385,335,532.70 × 118,624,215.36
  4. Step 4: Simplify right side
    256,931,494.11x = 45,710,125,216,272,000
  5. Step 5: Solve for x
    x = 45,710,125,216,272,000/256,931,494.11
  6. Step 6: Final answer
    x = 177,907,832.49

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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.