Home / 67,424,772.80-101,137,159.20-47,017,438.40

Finding the Fourth Proportional to 67,424,772.80, 101,137,159.20 and 47,017,438.40

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Solution

The fourth proportional to 67,424,772.80, 101,137,159.20 and 47,017,438.40 is: 70,526,157.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,424,772.80 : 101,137,159.20 = 47,017,438.40 : x
  2. Step 2: Convert to fraction form
    67,424,772.80/101,137,159.20 = 47,017,438.40/x
  3. Step 3: Cross multiply
    67,424,772.80x = 101,137,159.20 × 47,017,438.40
  4. Step 4: Simplify right side
    67,424,772.80x = 4,755,210,152,636,993
  5. Step 5: Solve for x
    x = 4,755,210,152,636,993/67,424,772.80
  6. Step 6: Final answer
    x = 70,526,157.60

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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.