Home / 142,478,310.40-213,717,465.60-34,772,934.40

Finding the Fourth Proportional to 142,478,310.40, 213,717,465.60 and 34,772,934.40

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Solution

The fourth proportional to 142,478,310.40, 213,717,465.60 and 34,772,934.40 is: 52,159,401.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,478,310.40 : 213,717,465.60 = 34,772,934.40 : x
  2. Step 2: Convert to fraction form
    142,478,310.40/213,717,465.60 = 34,772,934.40/x
  3. Step 3: Cross multiply
    142,478,310.40x = 213,717,465.60 × 34,772,934.40
  4. Step 4: Simplify right side
    142,478,310.40x = 7,431,583,411,443,056
  5. Step 5: Solve for x
    x = 7,431,583,411,443,056/142,478,310.40
  6. Step 6: Final answer
    x = 52,159,401.60

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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.