Home / 79,046,044.30-118,569,066.45-65,609,116.30

Finding the Fourth Proportional to 79,046,044.30, 118,569,066.45 and 65,609,116.30

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Solution

The fourth proportional to 79,046,044.30, 118,569,066.45 and 65,609,116.30 is: 98,413,674.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,046,044.30 : 118,569,066.45 = 65,609,116.30 : x
  2. Step 2: Convert to fraction form
    79,046,044.30/118,569,066.45 = 65,609,116.30/x
  3. Step 3: Cross multiply
    79,046,044.30x = 118,569,066.45 × 65,609,116.30
  4. Step 4: Simplify right side
    79,046,044.30x = 7,779,211,670,300,478
  5. Step 5: Solve for x
    x = 7,779,211,670,300,478/79,046,044.30
  6. Step 6: Final answer
    x = 98,413,674.45

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Double scale
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Similar ratio
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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.