Home / 72,260,574.93-99,719,344.53-39,220,822.35

Finding the Fourth Proportional to 72,260,574.93, 99,719,344.53 and 39,220,822.35

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Solution

The fourth proportional to 72,260,574.93, 99,719,344.53 and 39,220,822.35 is: 54,124,599.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,260,574.93 : 99,719,344.53 = 39,220,822.35 : x
  2. Step 2: Convert to fraction form
    72,260,574.93/99,719,344.53 = 39,220,822.35/x
  3. Step 3: Cross multiply
    72,260,574.93x = 99,719,344.53 × 39,220,822.35
  4. Step 4: Simplify right side
    72,260,574.93x = 3,911,074,696,669,574.50
  5. Step 5: Solve for x
    x = 3,911,074,696,669,574.50/72,260,574.93
  6. Step 6: Final answer
    x = 54,124,599.76

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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.