Home / 47,116,929.60-70,675,394.40-42,581,966.40

Finding the Fourth Proportional to 47,116,929.60, 70,675,394.40 and 42,581,966.40

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Solution

The fourth proportional to 47,116,929.60, 70,675,394.40 and 42,581,966.40 is: 63,872,949.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,116,929.60 : 70,675,394.40 = 42,581,966.40 : x
  2. Step 2: Convert to fraction form
    47,116,929.60/70,675,394.40 = 42,581,966.40/x
  3. Step 3: Cross multiply
    47,116,929.60x = 70,675,394.40 × 42,581,966.40
  4. Step 4: Simplify right side
    47,116,929.60x = 3,009,497,269,647,548.50
  5. Step 5: Solve for x
    x = 3,009,497,269,647,548.50/47,116,929.60
  6. Step 6: Final answer
    x = 63,872,949.60

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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.