Home / 282,806,643.86-424,271,024.28-86,085,440.12

Finding the Fourth Proportional to 282,806,643.86, 424,271,024.28 and 86,085,440.12

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Solution

The fourth proportional to 282,806,643.86, 424,271,024.28 and 86,085,440.12 is: 129,146,746.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,806,643.86 : 424,271,024.28 = 86,085,440.12 : x
  2. Step 2: Convert to fraction form
    282,806,643.86/424,271,024.28 = 86,085,440.12/x
  3. Step 3: Cross multiply
    282,806,643.86x = 424,271,024.28 × 86,085,440.12
  4. Step 4: Simplify right side
    282,806,643.86x = 36,523,557,856,690,504
  5. Step 5: Solve for x
    x = 36,523,557,856,690,504/282,806,643.86
  6. Step 6: Final answer
    x = 129,146,746.20

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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.