Home / 189,547,856.40-284,321,796.12-45,940,688.40

Finding the Fourth Proportional to 189,547,856.40, 284,321,796.12 and 45,940,688.40

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Solution

The fourth proportional to 189,547,856.40, 284,321,796.12 and 45,940,688.40 is: 68,911,035.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,547,856.40 : 284,321,796.12 = 45,940,688.40 : x
  2. Step 2: Convert to fraction form
    189,547,856.40/284,321,796.12 = 45,940,688.40/x
  3. Step 3: Cross multiply
    189,547,856.40x = 284,321,796.12 × 45,940,688.40
  4. Step 4: Simplify right side
    189,547,856.40x = 13,061,939,040,877,248
  5. Step 5: Solve for x
    x = 13,061,939,040,877,248/189,547,856.40
  6. Step 6: Final answer
    x = 68,911,035.39

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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.