Home / 115,880,329.30-173,820,493.95-72,779,808.10

Finding the Fourth Proportional to 115,880,329.30, 173,820,493.95 and 72,779,808.10

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Solution

The fourth proportional to 115,880,329.30, 173,820,493.95 and 72,779,808.10 is: 109,169,712.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,880,329.30 : 173,820,493.95 = 72,779,808.10 : x
  2. Step 2: Convert to fraction form
    115,880,329.30/173,820,493.95 = 72,779,808.10/x
  3. Step 3: Cross multiply
    115,880,329.30x = 173,820,493.95 × 72,779,808.10
  4. Step 4: Simplify right side
    115,880,329.30x = 12,650,622,193,528,210
  5. Step 5: Solve for x
    x = 12,650,622,193,528,210/115,880,329.30
  6. Step 6: Final answer
    x = 109,169,712.15

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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.