Home / 60,186,643-83,082,995.22-40,634,017.72

Finding the Fourth Proportional to 60,186,643, 83,082,995.22 and 40,634,017.72

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Solution

The fourth proportional to 60,186,643, 83,082,995.22 and 40,634,017.72 is: 56,092,111.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,186,643 : 83,082,995.22 = 40,634,017.72 : x
  2. Step 2: Convert to fraction form
    60,186,643/83,082,995.22 = 40,634,017.72/x
  3. Step 3: Cross multiply
    60,186,643x = 83,082,995.22 × 40,634,017.72
  4. Step 4: Simplify right side
    60,186,643x = 3,375,995,900,000,155
  5. Step 5: Solve for x
    x = 3,375,995,900,000,155/60,186,643
  6. Step 6: Final answer
    x = 56,092,111.67

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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.