Home / 64,866,386,021.36-97,264,108,915.57-51,506,489,820.25

Finding the Fourth Proportional to 64,866,386,021.36, 97,264,108,915.57 and 51,506,489,820.25

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Solution

The fourth proportional to 64,866,386,021.36, 97,264,108,915.57 and 51,506,489,820.25 is: 77,231,570,047.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,866,386,021.36 : 97,264,108,915.57 = 51,506,489,820.25 : x
  2. Step 2: Convert to fraction form
    64,866,386,021.36/97,264,108,915.57 = 51,506,489,820.25/x
  3. Step 3: Cross multiply
    64,866,386,021.36x = 97,264,108,915.57 × 51,506,489,820.25
  4. Step 4: Simplify right side
    64,866,386,021.36x = 5,009,732,835,735,007,920,128
  5. Step 5: Solve for x
    x = 5,009,732,835,735,007,920,128/64,866,386,021.36
  6. Step 6: Final answer
    x = 77,231,570,047.47

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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.