Home / 143,547,503.40-215,310,808.53-56,092,639.32

Finding the Fourth Proportional to 143,547,503.40, 215,310,808.53 and 56,092,639.32

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Solution

The fourth proportional to 143,547,503.40, 215,310,808.53 and 56,092,639.32 is: 84,134,876.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,547,503.40 : 215,310,808.53 = 56,092,639.32 : x
  2. Step 2: Convert to fraction form
    143,547,503.40/215,310,808.53 = 56,092,639.32/x
  3. Step 3: Cross multiply
    143,547,503.40x = 215,310,808.53 × 56,092,639.32
  4. Step 4: Simplify right side
    143,547,503.40x = 12,077,351,524,570,870
  5. Step 5: Solve for x
    x = 12,077,351,524,570,870/143,547,503.40
  6. Step 6: Final answer
    x = 84,134,876.88

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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.