Home / 77,213,079.95-115,819,554.05-19,705,346.51

Finding the Fourth Proportional to 77,213,079.95, 115,819,554.05 and 19,705,346.51

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Solution

The fourth proportional to 77,213,079.95, 115,819,554.05 and 19,705,346.51 is: 29,558,002.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,213,079.95 : 115,819,554.05 = 19,705,346.51 : x
  2. Step 2: Convert to fraction form
    77,213,079.95/115,819,554.05 = 19,705,346.51/x
  3. Step 3: Cross multiply
    77,213,079.95x = 115,819,554.05 × 19,705,346.51
  4. Step 4: Simplify right side
    77,213,079.95x = 2,282,264,445,090,397.50
  5. Step 5: Solve for x
    x = 2,282,264,445,090,397.50/77,213,079.95
  6. Step 6: Final answer
    x = 29,558,002.95

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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.