Home / 115,698,619.14-159,663,656.40-63,488,528.52

Finding the Fourth Proportional to 115,698,619.14, 159,663,656.40 and 63,488,528.52

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Solution

The fourth proportional to 115,698,619.14, 159,663,656.40 and 63,488,528.52 is: 87,613,929.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,698,619.14 : 159,663,656.40 = 63,488,528.52 : x
  2. Step 2: Convert to fraction form
    115,698,619.14/159,663,656.40 = 63,488,528.52/x
  3. Step 3: Cross multiply
    115,698,619.14x = 159,663,656.40 × 63,488,528.52
  4. Step 4: Simplify right side
    115,698,619.14x = 10,136,810,602,958,882
  5. Step 5: Solve for x
    x = 10,136,810,602,958,882/115,698,619.14
  6. Step 6: Final answer
    x = 87,613,929.00

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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.