Home / 85,755,176,699.68-118,341,489,752.53-47,173,266,085.76

Finding the Fourth Proportional to 85,755,176,699.68, 118,341,489,752.53 and 47,173,266,085.76

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Solution

The fourth proportional to 85,755,176,699.68, 118,341,489,752.53 and 47,173,266,085.76 is: 65,098,747,386.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,755,176,699.68 : 118,341,489,752.53 = 47,173,266,085.76 : x
  2. Step 2: Convert to fraction form
    85,755,176,699.68/118,341,489,752.53 = 47,173,266,085.76/x
  3. Step 3: Cross multiply
    85,755,176,699.68x = 118,341,489,752.53 × 47,173,266,085.76
  4. Step 4: Simplify right side
    85,755,176,699.68x = 5,582,554,585,081,219,907,584
  5. Step 5: Solve for x
    x = 5,582,554,585,081,219,907,584/85,755,176,699.68
  6. Step 6: Final answer
    x = 65,098,747,386.78

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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.