Home / 207,361,642.40-310,893,164.40-116,513,079.20

Finding the Fourth Proportional to 207,361,642.40, 310,893,164.40 and 116,513,079.20

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Solution

The fourth proportional to 207,361,642.40, 310,893,164.40 and 116,513,079.20 is: 174,685,730.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,361,642.40 : 310,893,164.40 = 116,513,079.20 : x
  2. Step 2: Convert to fraction form
    207,361,642.40/310,893,164.40 = 116,513,079.20/x
  3. Step 3: Cross multiply
    207,361,642.40x = 310,893,164.40 × 116,513,079.20
  4. Step 4: Simplify right side
    207,361,642.40x = 36,223,119,886,475,816
  5. Step 5: Solve for x
    x = 36,223,119,886,475,816/207,361,642.40
  6. Step 6: Final answer
    x = 174,685,730.05

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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.