Home / 212,938,016.50-319,374,987.63-59,564,192.50

Finding the Fourth Proportional to 212,938,016.50, 319,374,987.63 and 59,564,192.50

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Solution

The fourth proportional to 212,938,016.50, 319,374,987.63 and 59,564,192.50 is: 89,337,327.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,938,016.50 : 319,374,987.63 = 59,564,192.50 : x
  2. Step 2: Convert to fraction form
    212,938,016.50/319,374,987.63 = 59,564,192.50/x
  3. Step 3: Cross multiply
    212,938,016.50x = 319,374,987.63 × 59,564,192.50
  4. Step 4: Simplify right side
    212,938,016.50x = 19,023,313,242,878,440
  5. Step 5: Solve for x
    x = 19,023,313,242,878,440/212,938,016.50
  6. Step 6: Final answer
    x = 89,337,327.15

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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.