Home / 79,046,005.80-118,569,008.70-65,609,077.80

Finding the Fourth Proportional to 79,046,005.80, 118,569,008.70 and 65,609,077.80

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Solution

The fourth proportional to 79,046,005.80, 118,569,008.70 and 65,609,077.80 is: 98,413,616.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,046,005.80 : 118,569,008.70 = 65,609,077.80 : x
  2. Step 2: Convert to fraction form
    79,046,005.80/118,569,008.70 = 65,609,077.80/x
  3. Step 3: Cross multiply
    79,046,005.80x = 118,569,008.70 × 65,609,077.80
  4. Step 4: Simplify right side
    79,046,005.80x = 7,779,203,316,467,177
  5. Step 5: Solve for x
    x = 7,779,203,316,467,177/79,046,005.80
  6. Step 6: Final answer
    x = 98,413,616.70

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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.