Home / 122,353,482.32-168,852,260.10-66,596,207.28

Finding the Fourth Proportional to 122,353,482.32, 168,852,260.10 and 66,596,207.28

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Solution

The fourth proportional to 122,353,482.32, 168,852,260.10 and 66,596,207.28 is: 91,905,190.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,353,482.32 : 168,852,260.10 = 66,596,207.28 : x
  2. Step 2: Convert to fraction form
    122,353,482.32/168,852,260.10 = 66,596,207.28/x
  3. Step 3: Cross multiply
    122,353,482.32x = 168,852,260.10 × 66,596,207.28
  4. Step 4: Simplify right side
    122,353,482.32x = 11,244,920,113,316,074
  5. Step 5: Solve for x
    x = 11,244,920,113,316,074/122,353,482.32
  6. Step 6: Final answer
    x = 91,905,190.60

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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.