Home / 107,604,020.40-161,406,030.60-99,289,921.20

Finding the Fourth Proportional to 107,604,020.40, 161,406,030.60 and 99,289,921.20

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Solution

The fourth proportional to 107,604,020.40, 161,406,030.60 and 99,289,921.20 is: 148,934,881.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,604,020.40 : 161,406,030.60 = 99,289,921.20 : x
  2. Step 2: Convert to fraction form
    107,604,020.40/161,406,030.60 = 99,289,921.20/x
  3. Step 3: Cross multiply
    107,604,020.40x = 161,406,030.60 × 99,289,921.20
  4. Step 4: Simplify right side
    107,604,020.40x = 16,025,992,059,478,788
  5. Step 5: Solve for x
    x = 16,025,992,059,478,788/107,604,020.40
  6. Step 6: Final answer
    x = 148,934,881.80

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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.