Home / 101,971,445,985.16-140,721,032,948.28-55,622,883,275.68

Finding the Fourth Proportional to 101,971,445,985.16, 140,721,032,948.28 and 55,622,883,275.68

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Solution

The fourth proportional to 101,971,445,985.16, 140,721,032,948.28 and 55,622,883,275.68 is: 76,759,817,559.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,971,445,985.16 : 140,721,032,948.28 = 55,622,883,275.68 : x
  2. Step 2: Convert to fraction form
    101,971,445,985.16/140,721,032,948.28 = 55,622,883,275.68/x
  3. Step 3: Cross multiply
    101,971,445,985.16x = 140,721,032,948.28 × 55,622,883,275.68
  4. Step 4: Simplify right side
    101,971,445,985.16x = 7,827,309,590,115,298,312,192
  5. Step 5: Solve for x
    x = 7,827,309,590,115,298,312,192/101,971,445,985.16
  6. Step 6: Final answer
    x = 76,759,817,559.66

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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.