Home / 99,660,038.40-149,490,057.60-97,644,499.20

Finding the Fourth Proportional to 99,660,038.40, 149,490,057.60 and 97,644,499.20

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Solution

The fourth proportional to 99,660,038.40, 149,490,057.60 and 97,644,499.20 is: 146,466,748.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,660,038.40 : 149,490,057.60 = 97,644,499.20 : x
  2. Step 2: Convert to fraction form
    99,660,038.40/149,490,057.60 = 97,644,499.20/x
  3. Step 3: Cross multiply
    99,660,038.40x = 149,490,057.60 × 97,644,499.20
  4. Step 4: Simplify right side
    99,660,038.40x = 14,596,881,809,731,154
  5. Step 5: Solve for x
    x = 14,596,881,809,731,154/99,660,038.40
  6. Step 6: Final answer
    x = 146,466,748.80

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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.