Home / 135,660,554.32-187,211,657.15-76,113,630.13

Finding the Fourth Proportional to 135,660,554.32, 187,211,657.15 and 76,113,630.13

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Solution

The fourth proportional to 135,660,554.32, 187,211,657.15 and 76,113,630.13 is: 105,036,861.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,660,554.32 : 187,211,657.15 = 76,113,630.13 : x
  2. Step 2: Convert to fraction form
    135,660,554.32/187,211,657.15 = 76,113,630.13/x
  3. Step 3: Cross multiply
    135,660,554.32x = 187,211,657.15 × 76,113,630.13
  4. Step 4: Simplify right side
    135,660,554.32x = 14,249,358,827,958,902
  5. Step 5: Solve for x
    x = 14,249,358,827,958,902/135,660,554.32
  6. Step 6: Final answer
    x = 105,036,861.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.