Home / 79,012,154.36-118,282,099.38-47,793,333.86

Finding the Fourth Proportional to 79,012,154.36, 118,282,099.38 and 47,793,333.86

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Solution

The fourth proportional to 79,012,154.36, 118,282,099.38 and 47,793,333.86 is: 71,547,167.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,012,154.36 : 118,282,099.38 = 47,793,333.86 : x
  2. Step 2: Convert to fraction form
    79,012,154.36/118,282,099.38 = 47,793,333.86/x
  3. Step 3: Cross multiply
    79,012,154.36x = 118,282,099.38 × 47,793,333.86
  4. Step 4: Simplify right side
    79,012,154.36x = 5,653,095,865,272,038
  5. Step 5: Solve for x
    x = 5,653,095,865,272,038/79,012,154.36
  6. Step 6: Final answer
    x = 71,547,167.79

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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.