Home / 434,484,058.10-651,726,087.15-127,807,171.70

Finding the Fourth Proportional to 434,484,058.10, 651,726,087.15 and 127,807,171.70

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Solution

The fourth proportional to 434,484,058.10, 651,726,087.15 and 127,807,171.70 is: 191,710,757.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,484,058.10 : 651,726,087.15 = 127,807,171.70 : x
  2. Step 2: Convert to fraction form
    434,484,058.10/651,726,087.15 = 127,807,171.70/x
  3. Step 3: Cross multiply
    434,484,058.10x = 651,726,087.15 × 127,807,171.70
  4. Step 4: Simplify right side
    434,484,058.10x = 83,295,267,921,749,216
  5. Step 5: Solve for x
    x = 83,295,267,921,749,216/434,484,058.10
  6. Step 6: Final answer
    x = 191,710,757.55

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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.