Home / 78,479,630.43-108,301,030.52-43,196,681.16

Finding the Fourth Proportional to 78,479,630.43, 108,301,030.52 and 43,196,681.16

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Solution

The fourth proportional to 78,479,630.43, 108,301,030.52 and 43,196,681.16 is: 59,610,946.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,479,630.43 : 108,301,030.52 = 43,196,681.16 : x
  2. Step 2: Convert to fraction form
    78,479,630.43/108,301,030.52 = 43,196,681.16/x
  3. Step 3: Cross multiply
    78,479,630.43x = 108,301,030.52 × 43,196,681.16
  4. Step 4: Simplify right side
    78,479,630.43x = 4,678,245,084,455,885
  5. Step 5: Solve for x
    x = 4,678,245,084,455,885/78,479,630.43
  6. Step 6: Final answer
    x = 59,610,946.93

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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.