Home / 114,549,547.20-158,111,685.78-74,863,048.05

Finding the Fourth Proportional to 114,549,547.20, 158,111,685.78 and 74,863,048.05

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Solution

The fourth proportional to 114,549,547.20, 158,111,685.78 and 74,863,048.05 is: 103,332,776.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,549,547.20 : 158,111,685.78 = 74,863,048.05 : x
  2. Step 2: Convert to fraction form
    114,549,547.20/158,111,685.78 = 74,863,048.05/x
  3. Step 3: Cross multiply
    114,549,547.20x = 158,111,685.78 × 74,863,048.05
  4. Step 4: Simplify right side
    114,549,547.20x = 11,836,722,729,814,642
  5. Step 5: Solve for x
    x = 11,836,722,729,814,642/114,549,547.20
  6. Step 6: Final answer
    x = 103,332,776.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.