Home / 191,909,459.40-287,864,189.10-94,880,142.60

Finding the Fourth Proportional to 191,909,459.40, 287,864,189.10 and 94,880,142.60

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Solution

The fourth proportional to 191,909,459.40, 287,864,189.10 and 94,880,142.60 is: 142,320,213.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,909,459.40 : 287,864,189.10 = 94,880,142.60 : x
  2. Step 2: Convert to fraction form
    191,909,459.40/287,864,189.10 = 94,880,142.60/x
  3. Step 3: Cross multiply
    191,909,459.40x = 287,864,189.10 × 94,880,142.60
  4. Step 4: Simplify right side
    191,909,459.40x = 27,312,595,311,241,368
  5. Step 5: Solve for x
    x = 27,312,595,311,241,368/191,909,459.40
  6. Step 6: Final answer
    x = 142,320,213.90

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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.