Home / 77,596,651.60-116,403,982.32-25,785,878.08

Finding the Fourth Proportional to 77,596,651.60, 116,403,982.32 and 25,785,878.08

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Solution

The fourth proportional to 77,596,651.60, 116,403,982.32 and 25,785,878.08 is: 38,681,809.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,596,651.60 : 116,403,982.32 = 25,785,878.08 : x
  2. Step 2: Convert to fraction form
    77,596,651.60/116,403,982.32 = 25,785,878.08/x
  3. Step 3: Cross multiply
    77,596,651.60x = 116,403,982.32 × 25,785,878.08
  4. Step 4: Simplify right side
    77,596,651.60x = 3,001,578,896,129,995
  5. Step 5: Solve for x
    x = 3,001,578,896,129,995/77,596,651.60
  6. Step 6: Final answer
    x = 38,681,809.51

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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.