Home / 86,765,482.46-130,158,099.66-31,459,362.94

Finding the Fourth Proportional to 86,765,482.46, 130,158,099.66 and 31,459,362.94

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Solution

The fourth proportional to 86,765,482.46, 130,158,099.66 and 31,459,362.94 is: 47,192,625.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,765,482.46 : 130,158,099.66 = 31,459,362.94 : x
  2. Step 2: Convert to fraction form
    86,765,482.46/130,158,099.66 = 31,459,362.94/x
  3. Step 3: Cross multiply
    86,765,482.46x = 130,158,099.66 × 31,459,362.94
  4. Step 4: Simplify right side
    86,765,482.46x = 4,094,690,897,065,300.50
  5. Step 5: Solve for x
    x = 4,094,690,897,065,300.50/86,765,482.46
  6. Step 6: Final answer
    x = 47,192,625.23

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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.