Home / 125,318,356.84-187,931,607.90-43,416,081.64

Finding the Fourth Proportional to 125,318,356.84, 187,931,607.90 and 43,416,081.64

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Solution

The fourth proportional to 125,318,356.84, 187,931,607.90 and 43,416,081.64 is: 65,108,211.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,318,356.84 : 187,931,607.90 = 43,416,081.64 : x
  2. Step 2: Convert to fraction form
    125,318,356.84/187,931,607.90 = 43,416,081.64/x
  3. Step 3: Cross multiply
    125,318,356.84x = 187,931,607.90 × 43,416,081.64
  4. Step 4: Simplify right side
    125,318,356.84x = 8,159,254,031,322,869
  5. Step 5: Solve for x
    x = 8,159,254,031,322,869/125,318,356.84
  6. Step 6: Final answer
    x = 65,108,211.10

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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.