Home / 260,019,363.60-389,915,655.12-98,347,925.52

Finding the Fourth Proportional to 260,019,363.60, 389,915,655.12 and 98,347,925.52

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Solution

The fourth proportional to 260,019,363.60, 389,915,655.12 and 98,347,925.52 is: 147,479,000.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,019,363.60 : 389,915,655.12 = 98,347,925.52 : x
  2. Step 2: Convert to fraction form
    260,019,363.60/389,915,655.12 = 98,347,925.52/x
  3. Step 3: Cross multiply
    260,019,363.60x = 389,915,655.12 × 98,347,925.52
  4. Step 4: Simplify right side
    260,019,363.60x = 38,347,395,808,823,768
  5. Step 5: Solve for x
    x = 38,347,395,808,823,768/260,019,363.60
  6. Step 6: Final answer
    x = 147,479,000.32

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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.