Home / 115,698,623.90-159,663,662.98-63,488,533.28

Finding the Fourth Proportional to 115,698,623.90, 159,663,662.98 and 63,488,533.28

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Solution

The fourth proportional to 115,698,623.90, 159,663,662.98 and 63,488,533.28 is: 87,613,935.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,698,623.90 : 159,663,662.98 = 63,488,533.28 : x
  2. Step 2: Convert to fraction form
    115,698,623.90/159,663,662.98 = 63,488,533.28/x
  3. Step 3: Cross multiply
    115,698,623.90x = 159,663,662.98 × 63,488,533.28
  4. Step 4: Simplify right side
    115,698,623.90x = 10,136,811,780,712,434
  5. Step 5: Solve for x
    x = 10,136,811,780,712,434/115,698,623.90
  6. Step 6: Final answer
    x = 87,613,935.58

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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.