Home / 53,012,703.60-79,519,055.40-42,935,007.60

Finding the Fourth Proportional to 53,012,703.60, 79,519,055.40 and 42,935,007.60

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Solution

The fourth proportional to 53,012,703.60, 79,519,055.40 and 42,935,007.60 is: 64,402,511.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,012,703.60 : 79,519,055.40 = 42,935,007.60 : x
  2. Step 2: Convert to fraction form
    53,012,703.60/79,519,055.40 = 42,935,007.60/x
  3. Step 3: Cross multiply
    53,012,703.60x = 79,519,055.40 × 42,935,007.60
  4. Step 4: Simplify right side
    53,012,703.60x = 3,414,151,247,943,821.50
  5. Step 5: Solve for x
    x = 3,414,151,247,943,821.50/53,012,703.60
  6. Step 6: Final answer
    x = 64,402,511.40

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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.