Home / 217,140,547.80-325,758,060.90-71,549,333.40

Finding the Fourth Proportional to 217,140,547.80, 325,758,060.90 and 71,549,333.40

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Solution

The fourth proportional to 217,140,547.80, 325,758,060.90 and 71,549,333.40 is: 107,339,565.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,140,547.80 : 325,758,060.90 = 71,549,333.40 : x
  2. Step 2: Convert to fraction form
    217,140,547.80/325,758,060.90 = 71,549,333.40/x
  3. Step 3: Cross multiply
    217,140,547.80x = 325,758,060.90 × 71,549,333.40
  4. Step 4: Simplify right side
    217,140,547.80x = 23,307,772,107,071,604
  5. Step 5: Solve for x
    x = 23,307,772,107,071,604/217,140,547.80
  6. Step 6: Final answer
    x = 107,339,565.75

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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.