Home / 74,902,582.64-112,353,873.98-21,049,894.64

Finding the Fourth Proportional to 74,902,582.64, 112,353,873.98 and 21,049,894.64

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Solution

The fourth proportional to 74,902,582.64, 112,353,873.98 and 21,049,894.64 is: 31,574,841.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,902,582.64 : 112,353,873.98 = 21,049,894.64 : x
  2. Step 2: Convert to fraction form
    74,902,582.64/112,353,873.98 = 21,049,894.64/x
  3. Step 3: Cross multiply
    74,902,582.64x = 112,353,873.98 × 21,049,894.64
  4. Step 4: Simplify right side
    74,902,582.64x = 2,365,037,209,007,818.50
  5. Step 5: Solve for x
    x = 2,365,037,209,007,818.50/74,902,582.64
  6. Step 6: Final answer
    x = 31,574,841.96

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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.