Home / 47,129,599.84-70,693,689.48-21,203,592.16

Finding the Fourth Proportional to 47,129,599.84, 70,693,689.48 and 21,203,592.16

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Solution

The fourth proportional to 47,129,599.84, 70,693,689.48 and 21,203,592.16 is: 31,805,068.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,129,599.84 : 70,693,689.48 = 21,203,592.16 : x
  2. Step 2: Convert to fraction form
    47,129,599.84/70,693,689.48 = 21,203,592.16/x
  3. Step 3: Cross multiply
    47,129,599.84x = 70,693,689.48 × 21,203,592.16
  4. Step 4: Simplify right side
    47,129,599.84x = 1,498,960,160,019,602.50
  5. Step 5: Solve for x
    x = 1,498,960,160,019,602.50/47,129,599.84
  6. Step 6: Final answer
    x = 31,805,068.69

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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.