Home / 115,698,618.64-159,663,655.74-63,488,528.02

Finding the Fourth Proportional to 115,698,618.64, 159,663,655.74 and 63,488,528.02

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Solution

The fourth proportional to 115,698,618.64, 159,663,655.74 and 63,488,528.02 is: 87,613,928.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,698,618.64 : 159,663,655.74 = 63,488,528.02 : x
  2. Step 2: Convert to fraction form
    115,698,618.64/159,663,655.74 = 63,488,528.02/x
  3. Step 3: Cross multiply
    115,698,618.64x = 159,663,655.74 × 63,488,528.02
  4. Step 4: Simplify right side
    115,698,618.64x = 10,136,810,481,224,624
  5. Step 5: Solve for x
    x = 10,136,810,481,224,624/115,698,618.64
  6. Step 6: Final answer
    x = 87,613,928.33

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.