Home / 109,450,681.60-164,176,022.40-28,679,814.40

Finding the Fourth Proportional to 109,450,681.60, 164,176,022.40 and 28,679,814.40

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Solution

The fourth proportional to 109,450,681.60, 164,176,022.40 and 28,679,814.40 is: 43,019,721.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,450,681.60 : 164,176,022.40 = 28,679,814.40 : x
  2. Step 2: Convert to fraction form
    109,450,681.60/164,176,022.40 = 28,679,814.40/x
  3. Step 3: Cross multiply
    109,450,681.60x = 164,176,022.40 × 28,679,814.40
  4. Step 4: Simplify right side
    109,450,681.60x = 4,708,537,851,362,242
  5. Step 5: Solve for x
    x = 4,708,537,851,362,242/109,450,681.60
  6. Step 6: Final answer
    x = 43,019,721.60

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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.