Home / 208,893,586.96-288,153,085.71-130,440,952.72

Finding the Fourth Proportional to 208,893,586.96, 288,153,085.71 and 130,440,952.72

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Solution

The fourth proportional to 208,893,586.96, 288,153,085.71 and 130,440,952.72 is: 179,933,542.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,893,586.96 : 288,153,085.71 = 130,440,952.72 : x
  2. Step 2: Convert to fraction form
    208,893,586.96/288,153,085.71 = 130,440,952.72/x
  3. Step 3: Cross multiply
    208,893,586.96x = 288,153,085.71 × 130,440,952.72
  4. Step 4: Simplify right side
    208,893,586.96x = 37,586,963,029,220,216
  5. Step 5: Solve for x
    x = 37,586,963,029,220,216/208,893,586.96
  6. Step 6: Final answer
    x = 179,933,542.13

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1.5x scale

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.