Home / 315,473,445.86-435,330,547.22-174,342,977.44

Finding the Fourth Proportional to 315,473,445.86, 435,330,547.22 and 174,342,977.44

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Solution

The fourth proportional to 315,473,445.86, 435,330,547.22 and 174,342,977.44 is: 240,580,704.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,473,445.86 : 435,330,547.22 = 174,342,977.44 : x
  2. Step 2: Convert to fraction form
    315,473,445.86/435,330,547.22 = 174,342,977.44/x
  3. Step 3: Cross multiply
    315,473,445.86x = 435,330,547.22 × 174,342,977.44
  4. Step 4: Simplify right side
    315,473,445.86x = 75,896,823,772,919,312
  5. Step 5: Solve for x
    x = 75,896,823,772,919,312/315,473,445.86
  6. Step 6: Final answer
    x = 240,580,704.24

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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.