Home / 72,292,328.76-99,764,130.52-39,252,848.64

Finding the Fourth Proportional to 72,292,328.76, 99,764,130.52 and 39,252,848.64

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Solution

The fourth proportional to 72,292,328.76, 99,764,130.52 and 39,252,848.64 is: 54,169,320.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,292,328.76 : 99,764,130.52 = 39,252,848.64 : x
  2. Step 2: Convert to fraction form
    72,292,328.76/99,764,130.52 = 39,252,848.64/x
  3. Step 3: Cross multiply
    72,292,328.76x = 99,764,130.52 × 39,252,848.64
  4. Step 4: Simplify right side
    72,292,328.76x = 3,916,026,315,002,764.50
  5. Step 5: Solve for x
    x = 3,916,026,315,002,764.50/72,292,328.76
  6. Step 6: Final answer
    x = 54,169,320.34

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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.