Home / 145,528,334.80-218,292,502.20-72,756,347.20

Finding the Fourth Proportional to 145,528,334.80, 218,292,502.20 and 72,756,347.20

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Solution

The fourth proportional to 145,528,334.80, 218,292,502.20 and 72,756,347.20 is: 109,134,520.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,528,334.80 : 218,292,502.20 = 72,756,347.20 : x
  2. Step 2: Convert to fraction form
    145,528,334.80/218,292,502.20 = 72,756,347.20/x
  3. Step 3: Cross multiply
    145,528,334.80x = 218,292,502.20 × 72,756,347.20
  4. Step 4: Simplify right side
    145,528,334.80x = 15,882,165,081,219,964
  5. Step 5: Solve for x
    x = 15,882,165,081,219,964/145,528,334.80
  6. Step 6: Final answer
    x = 109,134,520.80

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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.