Home / 47,020,903.60-70,531,355.40-28,606,472.95

Finding the Fourth Proportional to 47,020,903.60, 70,531,355.40 and 28,606,472.95

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Solution

The fourth proportional to 47,020,903.60, 70,531,355.40 and 28,606,472.95 is: 42,909,709.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,020,903.60 : 70,531,355.40 = 28,606,472.95 : x
  2. Step 2: Convert to fraction form
    47,020,903.60/70,531,355.40 = 28,606,472.95/x
  3. Step 3: Cross multiply
    47,020,903.60x = 70,531,355.40 × 28,606,472.95
  4. Step 4: Simplify right side
    47,020,903.60x = 2,017,653,310,376,936.50
  5. Step 5: Solve for x
    x = 2,017,653,310,376,936.50/47,020,903.60
  6. Step 6: Final answer
    x = 42,909,709.43

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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.