Home / 98,901,384.83-148,365,719.40-57,421,795.76

Finding the Fourth Proportional to 98,901,384.83, 148,365,719.40 and 57,421,795.76

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Solution

The fourth proportional to 98,901,384.83, 148,365,719.40 and 57,421,795.76 is: 86,140,614.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,901,384.83 : 148,365,719.40 = 57,421,795.76 : x
  2. Step 2: Convert to fraction form
    98,901,384.83/148,365,719.40 = 57,421,795.76/x
  3. Step 3: Cross multiply
    98,901,384.83x = 148,365,719.40 × 57,421,795.76
  4. Step 4: Simplify right side
    98,901,384.83x = 8,519,426,036,645,773
  5. Step 5: Solve for x
    x = 8,519,426,036,645,773/98,901,384.83
  6. Step 6: Final answer
    x = 86,140,614.22

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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.