Home / 72,073,263.48-99,460,610.64-39,032,752.74

Finding the Fourth Proportional to 72,073,263.48, 99,460,610.64 and 39,032,752.74

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Solution

The fourth proportional to 72,073,263.48, 99,460,610.64 and 39,032,752.74 is: 53,864,931.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,073,263.48 : 99,460,610.64 = 39,032,752.74 : x
  2. Step 2: Convert to fraction form
    72,073,263.48/99,460,610.64 = 39,032,752.74/x
  3. Step 3: Cross multiply
    72,073,263.48x = 99,460,610.64 × 39,032,752.74
  4. Step 4: Simplify right side
    72,073,263.48x = 3,882,221,422,480,533.50
  5. Step 5: Solve for x
    x = 3,882,221,422,480,533.50/72,073,263.48
  6. Step 6: Final answer
    x = 53,864,931.81

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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.