Home / 79,717,369.40-119,576,054.10-60,443,775.80

Finding the Fourth Proportional to 79,717,369.40, 119,576,054.10 and 60,443,775.80

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Solution

The fourth proportional to 79,717,369.40, 119,576,054.10 and 60,443,775.80 is: 90,665,663.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,717,369.40 : 119,576,054.10 = 60,443,775.80 : x
  2. Step 2: Convert to fraction form
    79,717,369.40/119,576,054.10 = 60,443,775.80/x
  3. Step 3: Cross multiply
    79,717,369.40x = 119,576,054.10 × 60,443,775.80
  4. Step 4: Simplify right side
    79,717,369.40x = 7,227,628,205,069,070
  5. Step 5: Solve for x
    x = 7,227,628,205,069,070/79,717,369.40
  6. Step 6: Final answer
    x = 90,665,663.70

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Double scale
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Similar ratio
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1.5x scale

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.