Home / 357,073,845.60-535,610,768.40-98,329,000.80

Finding the Fourth Proportional to 357,073,845.60, 535,610,768.40 and 98,329,000.80

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Solution

The fourth proportional to 357,073,845.60, 535,610,768.40 and 98,329,000.80 is: 147,493,501.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,073,845.60 : 535,610,768.40 = 98,329,000.80 : x
  2. Step 2: Convert to fraction form
    357,073,845.60/535,610,768.40 = 98,329,000.80/x
  3. Step 3: Cross multiply
    357,073,845.60x = 535,610,768.40 × 98,329,000.80
  4. Step 4: Simplify right side
    357,073,845.60x = 52,666,071,674,492,208
  5. Step 5: Solve for x
    x = 52,666,071,674,492,208/357,073,845.60
  6. Step 6: Final answer
    x = 147,493,501.20

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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.