Home / 102,048,124.79-140,822,356.20-60,245,656.40

Finding the Fourth Proportional to 102,048,124.79, 140,822,356.20 and 60,245,656.40

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Solution

The fourth proportional to 102,048,124.79, 140,822,356.20 and 60,245,656.40 is: 83,136,611.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,048,124.79 : 140,822,356.20 = 60,245,656.40 : x
  2. Step 2: Convert to fraction form
    102,048,124.79/140,822,356.20 = 60,245,656.40/x
  3. Step 3: Cross multiply
    102,048,124.79x = 140,822,356.20 × 60,245,656.40
  4. Step 4: Simplify right side
    102,048,124.79x = 8,483,935,285,063,609
  5. Step 5: Solve for x
    x = 8,483,935,285,063,609/102,048,124.79
  6. Step 6: Final answer
    x = 83,136,611.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.