Home / 160,551,971.78-221,567,799.13-89,988,875.24

Finding the Fourth Proportional to 160,551,971.78, 221,567,799.13 and 89,988,875.24

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Solution

The fourth proportional to 160,551,971.78, 221,567,799.13 and 89,988,875.24 is: 124,188,054.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,551,971.78 : 221,567,799.13 = 89,988,875.24 : x
  2. Step 2: Convert to fraction form
    160,551,971.78/221,567,799.13 = 89,988,875.24/x
  3. Step 3: Cross multiply
    160,551,971.78x = 221,567,799.13 × 89,988,875.24
  4. Step 4: Simplify right side
    160,551,971.78x = 19,938,637,031,778,140
  5. Step 5: Solve for x
    x = 19,938,637,031,778,140/160,551,971.78
  6. Step 6: Final answer
    x = 124,188,054.57

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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.