Home / 55,146,587.80-82,719,881.70-30,960,117.40

Finding the Fourth Proportional to 55,146,587.80, 82,719,881.70 and 30,960,117.40

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Solution

The fourth proportional to 55,146,587.80, 82,719,881.70 and 30,960,117.40 is: 46,440,176.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,146,587.80 : 82,719,881.70 = 30,960,117.40 : x
  2. Step 2: Convert to fraction form
    55,146,587.80/82,719,881.70 = 30,960,117.40/x
  3. Step 3: Cross multiply
    55,146,587.80x = 82,719,881.70 × 30,960,117.40
  4. Step 4: Simplify right side
    55,146,587.80x = 2,561,017,248,746,111.50
  5. Step 5: Solve for x
    x = 2,561,017,248,746,111.50/55,146,587.80
  6. Step 6: Final answer
    x = 46,440,176.10

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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.