Home / 287,592,364.80-431,388,547.20-93,510,111.60

Finding the Fourth Proportional to 287,592,364.80, 431,388,547.20 and 93,510,111.60

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Solution

The fourth proportional to 287,592,364.80, 431,388,547.20 and 93,510,111.60 is: 140,265,167.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,592,364.80 : 431,388,547.20 = 93,510,111.60 : x
  2. Step 2: Convert to fraction form
    287,592,364.80/431,388,547.20 = 93,510,111.60/x
  3. Step 3: Cross multiply
    287,592,364.80x = 431,388,547.20 × 93,510,111.60
  4. Step 4: Simplify right side
    287,592,364.80x = 40,339,191,191,633,864
  5. Step 5: Solve for x
    x = 40,339,191,191,633,864/287,592,364.80
  6. Step 6: Final answer
    x = 140,265,167.40

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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.