Home / 48,385,411.80-72,578,117.70-19,645,315.80

Finding the Fourth Proportional to 48,385,411.80, 72,578,117.70 and 19,645,315.80

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Solution

The fourth proportional to 48,385,411.80, 72,578,117.70 and 19,645,315.80 is: 29,467,973.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,385,411.80 : 72,578,117.70 = 19,645,315.80 : x
  2. Step 2: Convert to fraction form
    48,385,411.80/72,578,117.70 = 19,645,315.80/x
  3. Step 3: Cross multiply
    48,385,411.80x = 72,578,117.70 × 19,645,315.80
  4. Step 4: Simplify right side
    48,385,411.80x = 1,425,820,042,386,069.75
  5. Step 5: Solve for x
    x = 1,425,820,042,386,069.75/48,385,411.80
  6. Step 6: Final answer
    x = 29,467,973.70

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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.