Home / 122,951,373.81-169,673,061.24-70,739,362.32

Finding the Fourth Proportional to 122,951,373.81, 169,673,061.24 and 70,739,362.32

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Solution

The fourth proportional to 122,951,373.81, 169,673,061.24 and 70,739,362.32 is: 97,620,415.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,951,373.81 : 169,673,061.24 = 70,739,362.32 : x
  2. Step 2: Convert to fraction form
    122,951,373.81/169,673,061.24 = 70,739,362.32/x
  3. Step 3: Cross multiply
    122,951,373.81x = 169,673,061.24 × 70,739,362.32
  4. Step 4: Simplify right side
    122,951,373.81x = 12,002,564,154,999,908
  5. Step 5: Solve for x
    x = 12,002,564,154,999,908/122,951,373.81
  6. Step 6: Final answer
    x = 97,620,415.15

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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.