Home / 82,984,941.90-124,477,412.85-80,593,457.40

Finding the Fourth Proportional to 82,984,941.90, 124,477,412.85 and 80,593,457.40

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Solution

The fourth proportional to 82,984,941.90, 124,477,412.85 and 80,593,457.40 is: 120,890,186.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,984,941.90 : 124,477,412.85 = 80,593,457.40 : x
  2. Step 2: Convert to fraction form
    82,984,941.90/124,477,412.85 = 80,593,457.40/x
  3. Step 3: Cross multiply
    82,984,941.90x = 124,477,412.85 × 80,593,457.40
  4. Step 4: Simplify right side
    82,984,941.90x = 10,032,065,069,788,688
  5. Step 5: Solve for x
    x = 10,032,065,069,788,688/82,984,941.90
  6. Step 6: Final answer
    x = 120,890,186.10

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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.