Home / 124,426,111.20-186,639,166.80-98,727,986.40

Finding the Fourth Proportional to 124,426,111.20, 186,639,166.80 and 98,727,986.40

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Solution

The fourth proportional to 124,426,111.20, 186,639,166.80 and 98,727,986.40 is: 148,091,979.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,426,111.20 : 186,639,166.80 = 98,727,986.40 : x
  2. Step 2: Convert to fraction form
    124,426,111.20/186,639,166.80 = 98,727,986.40/x
  3. Step 3: Cross multiply
    124,426,111.20x = 186,639,166.80 × 98,727,986.40
  4. Step 4: Simplify right side
    124,426,111.20x = 18,426,509,121,537,732
  5. Step 5: Solve for x
    x = 18,426,509,121,537,732/124,426,111.20
  6. Step 6: Final answer
    x = 148,091,979.60

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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.