Home / 69,984,085.40-104,976,128.10-61,026,133.40

Finding the Fourth Proportional to 69,984,085.40, 104,976,128.10 and 61,026,133.40

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Solution

The fourth proportional to 69,984,085.40, 104,976,128.10 and 61,026,133.40 is: 91,539,200.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,984,085.40 : 104,976,128.10 = 61,026,133.40 : x
  2. Step 2: Convert to fraction form
    69,984,085.40/104,976,128.10 = 61,026,133.40/x
  3. Step 3: Cross multiply
    69,984,085.40x = 104,976,128.10 × 61,026,133.40
  4. Step 4: Simplify right side
    69,984,085.40x = 6,406,287,197,246,088
  5. Step 5: Solve for x
    x = 6,406,287,197,246,088/69,984,085.40
  6. Step 6: Final answer
    x = 91,539,200.10

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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.