Home / 86,937,000.80-130,405,501.20-61,427,832.80

Finding the Fourth Proportional to 86,937,000.80, 130,405,501.20 and 61,427,832.80

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Solution

The fourth proportional to 86,937,000.80, 130,405,501.20 and 61,427,832.80 is: 92,141,749.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,937,000.80 : 130,405,501.20 = 61,427,832.80 : x
  2. Step 2: Convert to fraction form
    86,937,000.80/130,405,501.20 = 61,427,832.80/x
  3. Step 3: Cross multiply
    86,937,000.80x = 130,405,501.20 × 61,427,832.80
  4. Step 4: Simplify right side
    86,937,000.80x = 8,010,527,323,913,799
  5. Step 5: Solve for x
    x = 8,010,527,323,913,799/86,937,000.80
  6. Step 6: Final answer
    x = 92,141,749.20

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1.5x scale

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.