Home / 265,710,091.80-398,565,137.70-163,141,541.40

Finding the Fourth Proportional to 265,710,091.80, 398,565,137.70 and 163,141,541.40

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Solution

The fourth proportional to 265,710,091.80, 398,565,137.70 and 163,141,541.40 is: 244,712,312.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,710,091.80 : 398,565,137.70 = 163,141,541.40 : x
  2. Step 2: Convert to fraction form
    265,710,091.80/398,565,137.70 = 163,141,541.40/x
  3. Step 3: Cross multiply
    265,710,091.80x = 398,565,137.70 × 163,141,541.40
  4. Step 4: Simplify right side
    265,710,091.80x = 65,022,530,912,681,248
  5. Step 5: Solve for x
    x = 65,022,530,912,681,248/265,710,091.80
  6. Step 6: Final answer
    x = 244,712,312.10

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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.