Home / 161,521,201.60-242,281,802.40-97,023,947.20

Finding the Fourth Proportional to 161,521,201.60, 242,281,802.40 and 97,023,947.20

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Solution

The fourth proportional to 161,521,201.60, 242,281,802.40 and 97,023,947.20 is: 145,535,920.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,521,201.60 : 242,281,802.40 = 97,023,947.20 : x
  2. Step 2: Convert to fraction form
    161,521,201.60/242,281,802.40 = 97,023,947.20/x
  3. Step 3: Cross multiply
    161,521,201.60x = 242,281,802.40 × 97,023,947.20
  4. Step 4: Simplify right side
    161,521,201.60x = 23,507,136,803,578,436
  5. Step 5: Solve for x
    x = 23,507,136,803,578,436/161,521,201.60
  6. Step 6: Final answer
    x = 145,535,920.80

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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.