Home / 112,715,637,625.89-155,547,679,999.90-61,967,443,715.01

Finding the Fourth Proportional to 112,715,637,625.89, 155,547,679,999.90 and 61,967,443,715.01

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Solution

The fourth proportional to 112,715,637,625.89, 155,547,679,999.90 and 61,967,443,715.01 is: 85,515,127,345.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,715,637,625.89 : 155,547,679,999.90 = 61,967,443,715.01 : x
  2. Step 2: Convert to fraction form
    112,715,637,625.89/155,547,679,999.90 = 61,967,443,715.01/x
  3. Step 3: Cross multiply
    112,715,637,625.89x = 155,547,679,999.90 × 61,967,443,715.01
  4. Step 4: Simplify right side
    112,715,637,625.89x = 9,638,892,105,394,190,024,704
  5. Step 5: Solve for x
    x = 9,638,892,105,394,190,024,704/112,715,637,625.89
  6. Step 6: Final answer
    x = 85,515,127,345.38

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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.