Home / 48,602,139.80-72,903,209.70-28,396,981.40

Finding the Fourth Proportional to 48,602,139.80, 72,903,209.70 and 28,396,981.40

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Solution

The fourth proportional to 48,602,139.80, 72,903,209.70 and 28,396,981.40 is: 42,595,472.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,602,139.80 : 72,903,209.70 = 28,396,981.40 : x
  2. Step 2: Convert to fraction form
    48,602,139.80/72,903,209.70 = 28,396,981.40/x
  3. Step 3: Cross multiply
    48,602,139.80x = 72,903,209.70 × 28,396,981.40
  4. Step 4: Simplify right side
    48,602,139.80x = 2,070,231,089,851,199.50
  5. Step 5: Solve for x
    x = 2,070,231,089,851,199.50/48,602,139.80
  6. Step 6: Final answer
    x = 42,595,472.10

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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.