Home / 86,765,473.16-130,158,085.63-31,459,353.63

Finding the Fourth Proportional to 86,765,473.16, 130,158,085.63 and 31,459,353.63

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Solution

The fourth proportional to 86,765,473.16, 130,158,085.63 and 31,459,353.63 is: 47,192,611.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,765,473.16 : 130,158,085.63 = 31,459,353.63 : x
  2. Step 2: Convert to fraction form
    86,765,473.16/130,158,085.63 = 31,459,353.63/x
  3. Step 3: Cross multiply
    86,765,473.16x = 130,158,085.63 × 31,459,353.63
  4. Step 4: Simplify right side
    86,765,473.16x = 4,094,689,243,995,421.50
  5. Step 5: Solve for x
    x = 4,094,689,243,995,421.50/86,765,473.16
  6. Step 6: Final answer
    x = 47,192,611.24

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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.