Home / 292,284,496.60-438,426,744.90-87,785,999.80

Finding the Fourth Proportional to 292,284,496.60, 438,426,744.90 and 87,785,999.80

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Solution

The fourth proportional to 292,284,496.60, 438,426,744.90 and 87,785,999.80 is: 131,678,999.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,284,496.60 : 438,426,744.90 = 87,785,999.80 : x
  2. Step 2: Convert to fraction form
    292,284,496.60/438,426,744.90 = 87,785,999.80/x
  3. Step 3: Cross multiply
    292,284,496.60x = 438,426,744.90 × 87,785,999.80
  4. Step 4: Simplify right side
    292,284,496.60x = 38,487,730,140,106,048
  5. Step 5: Solve for x
    x = 38,487,730,140,106,048/292,284,496.60
  6. Step 6: Final answer
    x = 131,678,999.70

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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.