Home / 77,262,336,013.40-115,893,504,020.10-64,864,880,365.40

Finding the Fourth Proportional to 77,262,336,013.40, 115,893,504,020.10 and 64,864,880,365.40

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Solution

The fourth proportional to 77,262,336,013.40, 115,893,504,020.10 and 64,864,880,365.40 is: 97,297,320,548.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,262,336,013.40 : 115,893,504,020.10 = 64,864,880,365.40 : x
  2. Step 2: Convert to fraction form
    77,262,336,013.40/115,893,504,020.10 = 64,864,880,365.40/x
  3. Step 3: Cross multiply
    77,262,336,013.40x = 115,893,504,020.10 × 64,864,880,365.40
  4. Step 4: Simplify right side
    77,262,336,013.40x = 7,517,418,273,390,791,229,440
  5. Step 5: Solve for x
    x = 7,517,418,273,390,791,229,440/77,262,336,013.40
  6. Step 6: Final answer
    x = 97,297,320,548.10

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1.5x scale

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.