Home / 60,643,705.20-90,965,557.80-28,358,664.45

Finding the Fourth Proportional to 60,643,705.20, 90,965,557.80 and 28,358,664.45

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Solution

The fourth proportional to 60,643,705.20, 90,965,557.80 and 28,358,664.45 is: 42,537,996.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,643,705.20 : 90,965,557.80 = 28,358,664.45 : x
  2. Step 2: Convert to fraction form
    60,643,705.20/90,965,557.80 = 28,358,664.45/x
  3. Step 3: Cross multiply
    60,643,705.20x = 90,965,557.80 × 28,358,664.45
  4. Step 4: Simplify right side
    60,643,705.20x = 2,579,661,730,157,280
  5. Step 5: Solve for x
    x = 2,579,661,730,157,280/60,643,705.20
  6. Step 6: Final answer
    x = 42,537,996.68

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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.