Home / 52,005,031.60-78,007,547.40-25,131,175.60

Finding the Fourth Proportional to 52,005,031.60, 78,007,547.40 and 25,131,175.60

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Solution

The fourth proportional to 52,005,031.60, 78,007,547.40 and 25,131,175.60 is: 37,696,763.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,005,031.60 : 78,007,547.40 = 25,131,175.60 : x
  2. Step 2: Convert to fraction form
    52,005,031.60/78,007,547.40 = 25,131,175.60/x
  3. Step 3: Cross multiply
    52,005,031.60x = 78,007,547.40 × 25,131,175.60
  4. Step 4: Simplify right side
    52,005,031.60x = 1,960,421,371,834,723.75
  5. Step 5: Solve for x
    x = 1,960,421,371,834,723.75/52,005,031.60
  6. Step 6: Final answer
    x = 37,696,763.40

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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.