Home / 82,993,643.40-124,490,465.10-80,602,158.90

Finding the Fourth Proportional to 82,993,643.40, 124,490,465.10 and 80,602,158.90

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Solution

The fourth proportional to 82,993,643.40, 124,490,465.10 and 80,602,158.90 is: 120,903,238.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,993,643.40 : 124,490,465.10 = 80,602,158.90 : x
  2. Step 2: Convert to fraction form
    82,993,643.40/124,490,465.10 = 80,602,158.90/x
  3. Step 3: Cross multiply
    82,993,643.40x = 124,490,465.10 × 80,602,158.90
  4. Step 4: Simplify right side
    82,993,643.40x = 10,034,200,249,525,104
  5. Step 5: Solve for x
    x = 10,034,200,249,525,104/82,993,643.40
  6. Step 6: Final answer
    x = 120,903,238.35

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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.