Home / 99,557,663.60-149,336,495.40-89,353,996.40

Finding the Fourth Proportional to 99,557,663.60, 149,336,495.40 and 89,353,996.40

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Solution

The fourth proportional to 99,557,663.60, 149,336,495.40 and 89,353,996.40 is: 134,030,994.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,557,663.60 : 149,336,495.40 = 89,353,996.40 : x
  2. Step 2: Convert to fraction form
    99,557,663.60/149,336,495.40 = 89,353,996.40/x
  3. Step 3: Cross multiply
    99,557,663.60x = 149,336,495.40 × 89,353,996.40
  4. Step 4: Simplify right side
    99,557,663.60x = 13,343,812,672,360,218
  5. Step 5: Solve for x
    x = 13,343,812,672,360,218/99,557,663.60
  6. Step 6: Final answer
    x = 134,030,994.60

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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.