Home / 238,826,884.61-358,376,840.84-129,660,931.60

Finding the Fourth Proportional to 238,826,884.61, 358,376,840.84 and 129,660,931.60

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Solution

The fourth proportional to 238,826,884.61, 358,376,840.84 and 129,660,931.60 is: 194,565,511.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,826,884.61 : 358,376,840.84 = 129,660,931.60 : x
  2. Step 2: Convert to fraction form
    238,826,884.61/358,376,840.84 = 129,660,931.60/x
  3. Step 3: Cross multiply
    238,826,884.61x = 358,376,840.84 × 129,660,931.60
  4. Step 4: Simplify right side
    238,826,884.61x = 46,467,475,046,607,528
  5. Step 5: Solve for x
    x = 46,467,475,046,607,528/238,826,884.61
  6. Step 6: Final answer
    x = 194,565,511.84

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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.