Home / 191,140,986.70-286,823,454.45-69,984,685.90

Finding the Fourth Proportional to 191,140,986.70, 286,823,454.45 and 69,984,685.90

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Solution

The fourth proportional to 191,140,986.70, 286,823,454.45 and 69,984,685.90 is: 105,018,027.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,140,986.70 : 286,823,454.45 = 69,984,685.90 : x
  2. Step 2: Convert to fraction form
    191,140,986.70/286,823,454.45 = 69,984,685.90/x
  3. Step 3: Cross multiply
    191,140,986.70x = 286,823,454.45 × 69,984,685.90
  4. Step 4: Simplify right side
    191,140,986.70x = 20,073,249,368,436,208
  5. Step 5: Solve for x
    x = 20,073,249,368,436,208/191,140,986.70
  6. Step 6: Final answer
    x = 105,018,027.35

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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.