Home / 77,760,047.60-116,640,071.40-73,281,071.60

Finding the Fourth Proportional to 77,760,047.60, 116,640,071.40 and 73,281,071.60

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Solution

The fourth proportional to 77,760,047.60, 116,640,071.40 and 73,281,071.60 is: 109,921,607.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,760,047.60 : 116,640,071.40 = 73,281,071.60 : x
  2. Step 2: Convert to fraction form
    77,760,047.60/116,640,071.40 = 73,281,071.60/x
  3. Step 3: Cross multiply
    77,760,047.60x = 116,640,071.40 × 73,281,071.60
  4. Step 4: Simplify right side
    77,760,047.60x = 8,547,509,423,692,512
  5. Step 5: Solve for x
    x = 8,547,509,423,692,512/77,760,047.60
  6. Step 6: Final answer
    x = 109,921,607.40

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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.