Home / 105,319,969.20-157,979,953.80-98,942,677.20

Finding the Fourth Proportional to 105,319,969.20, 157,979,953.80 and 98,942,677.20

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Solution

The fourth proportional to 105,319,969.20, 157,979,953.80 and 98,942,677.20 is: 148,414,015.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,319,969.20 : 157,979,953.80 = 98,942,677.20 : x
  2. Step 2: Convert to fraction form
    105,319,969.20/157,979,953.80 = 98,942,677.20/x
  3. Step 3: Cross multiply
    105,319,969.20x = 157,979,953.80 × 98,942,677.20
  4. Step 4: Simplify right side
    105,319,969.20x = 15,630,959,572,904,316
  5. Step 5: Solve for x
    x = 15,630,959,572,904,316/105,319,969.20
  6. Step 6: Final answer
    x = 148,414,015.80

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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.