Home / 98,995,099.69-136,128,677.61-85,919,588.02

Finding the Fourth Proportional to 98,995,099.69, 136,128,677.61 and 85,919,588.02

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Solution

The fourth proportional to 98,995,099.69, 136,128,677.61 and 85,919,588.02 is: 118,148,473.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,995,099.69 : 136,128,677.61 = 85,919,588.02 : x
  2. Step 2: Convert to fraction form
    98,995,099.69/136,128,677.61 = 85,919,588.02/x
  3. Step 3: Cross multiply
    98,995,099.69x = 136,128,677.61 × 85,919,588.02
  4. Step 4: Simplify right side
    98,995,099.69x = 11,696,119,897,958,598
  5. Step 5: Solve for x
    x = 11,696,119,897,958,598/98,995,099.69
  6. Step 6: Final answer
    x = 118,148,473.35

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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.