Home / 48,602,143.80-72,903,215.70-28,396,985.40

Finding the Fourth Proportional to 48,602,143.80, 72,903,215.70 and 28,396,985.40

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Solution

The fourth proportional to 48,602,143.80, 72,903,215.70 and 28,396,985.40 is: 42,595,478.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,602,143.80 : 72,903,215.70 = 28,396,985.40 : x
  2. Step 2: Convert to fraction form
    48,602,143.80/72,903,215.70 = 28,396,985.40/x
  3. Step 3: Cross multiply
    48,602,143.80x = 72,903,215.70 × 28,396,985.40
  4. Step 4: Simplify right side
    48,602,143.80x = 2,070,231,551,845,950.75
  5. Step 5: Solve for x
    x = 2,070,231,551,845,950.75/48,602,143.80
  6. Step 6: Final answer
    x = 42,595,478.10

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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.