Home / 158,271,214.30-218,426,392.59-99,584,184.67

Finding the Fourth Proportional to 158,271,214.30, 218,426,392.59 and 99,584,184.67

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Solution

The fourth proportional to 158,271,214.30, 218,426,392.59 and 99,584,184.67 is: 137,433,798.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,271,214.30 : 218,426,392.59 = 99,584,184.67 : x
  2. Step 2: Convert to fraction form
    158,271,214.30/218,426,392.59 = 99,584,184.67/x
  3. Step 3: Cross multiply
    158,271,214.30x = 218,426,392.59 × 99,584,184.67
  4. Step 4: Simplify right side
    158,271,214.30x = 21,751,814,216,484,480
  5. Step 5: Solve for x
    x = 21,751,814,216,484,480/158,271,214.30
  6. Step 6: Final answer
    x = 137,433,798.77

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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.