Home / 315,094,854.54-434,831,500.98-173,966,347.95

Finding the Fourth Proportional to 315,094,854.54, 434,831,500.98 and 173,966,347.95

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Solution

The fourth proportional to 315,094,854.54, 434,831,500.98 and 173,966,347.95 is: 240,073,892.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,094,854.54 : 434,831,500.98 = 173,966,347.95 : x
  2. Step 2: Convert to fraction form
    315,094,854.54/434,831,500.98 = 173,966,347.95/x
  3. Step 3: Cross multiply
    315,094,854.54x = 434,831,500.98 × 173,966,347.95
  4. Step 4: Simplify right side
    315,094,854.54x = 75,646,048,199,107,440
  5. Step 5: Solve for x
    x = 75,646,048,199,107,440/315,094,854.54
  6. Step 6: Final answer
    x = 240,073,892.38

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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.