Home / 112,715,637,628.89-155,547,680,004.04-61,967,443,718.01

Finding the Fourth Proportional to 112,715,637,628.89, 155,547,680,004.04 and 61,967,443,718.01

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Solution

The fourth proportional to 112,715,637,628.89, 155,547,680,004.04 and 61,967,443,718.01 is: 85,515,127,349.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,715,637,628.89 : 155,547,680,004.04 = 61,967,443,718.01 : x
  2. Step 2: Convert to fraction form
    112,715,637,628.89/155,547,680,004.04 = 61,967,443,718.01/x
  3. Step 3: Cross multiply
    112,715,637,628.89x = 155,547,680,004.04 × 61,967,443,718.01
  4. Step 4: Simplify right side
    112,715,637,628.89x = 9,638,892,106,117,378,211,840
  5. Step 5: Solve for x
    x = 9,638,892,106,117,378,211,840/112,715,637,628.89
  6. Step 6: Final answer
    x = 85,515,127,349.52

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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.