Home / 112,072,810.20-168,109,215.30-39,371,681.40

Finding the Fourth Proportional to 112,072,810.20, 168,109,215.30 and 39,371,681.40

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Solution

The fourth proportional to 112,072,810.20, 168,109,215.30 and 39,371,681.40 is: 59,057,522.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,072,810.20 : 168,109,215.30 = 39,371,681.40 : x
  2. Step 2: Convert to fraction form
    112,072,810.20/168,109,215.30 = 39,371,681.40/x
  3. Step 3: Cross multiply
    112,072,810.20x = 168,109,215.30 × 39,371,681.40
  4. Step 4: Simplify right side
    112,072,810.20x = 6,618,742,465,195,606
  5. Step 5: Solve for x
    x = 6,618,742,465,195,606/112,072,810.20
  6. Step 6: Final answer
    x = 59,057,522.10

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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.