Home / 68,984,047.20-103,476,070.80-47,484,962.40

Finding the Fourth Proportional to 68,984,047.20, 103,476,070.80 and 47,484,962.40

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Solution

The fourth proportional to 68,984,047.20, 103,476,070.80 and 47,484,962.40 is: 71,227,443.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,984,047.20 : 103,476,070.80 = 47,484,962.40 : x
  2. Step 2: Convert to fraction form
    68,984,047.20/103,476,070.80 = 47,484,962.40/x
  3. Step 3: Cross multiply
    68,984,047.20x = 103,476,070.80 × 47,484,962.40
  4. Step 4: Simplify right side
    68,984,047.20x = 4,913,557,331,237,738
  5. Step 5: Solve for x
    x = 4,913,557,331,237,738/68,984,047.20
  6. Step 6: Final answer
    x = 71,227,443.60

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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.