Home / 191,818,946.55-287,728,419.83-70,634,652.15

Finding the Fourth Proportional to 191,818,946.55, 287,728,419.83 and 70,634,652.15

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Solution

The fourth proportional to 191,818,946.55, 287,728,419.83 and 70,634,652.15 is: 105,951,978.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,818,946.55 : 287,728,419.83 = 70,634,652.15 : x
  2. Step 2: Convert to fraction form
    191,818,946.55/287,728,419.83 = 70,634,652.15/x
  3. Step 3: Cross multiply
    191,818,946.55x = 287,728,419.83 × 70,634,652.15
  4. Step 4: Simplify right side
    191,818,946.55x = 20,323,596,848,008,040
  5. Step 5: Solve for x
    x = 20,323,596,848,008,040/191,818,946.55
  6. Step 6: Final answer
    x = 105,951,978.23

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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.