Home / 315,094,856.04-434,831,503.05-173,966,349.45

Finding the Fourth Proportional to 315,094,856.04, 434,831,503.05 and 173,966,349.45

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Solution

The fourth proportional to 315,094,856.04, 434,831,503.05 and 173,966,349.45 is: 240,073,894.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,094,856.04 : 434,831,503.05 = 173,966,349.45 : x
  2. Step 2: Convert to fraction form
    315,094,856.04/434,831,503.05 = 173,966,349.45/x
  3. Step 3: Cross multiply
    315,094,856.04x = 434,831,503.05 × 173,966,349.45
  4. Step 4: Simplify right side
    315,094,856.04x = 75,646,049,211,465,040
  5. Step 5: Solve for x
    x = 75,646,049,211,465,040/315,094,856.04
  6. Step 6: Final answer
    x = 240,073,894.45

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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.