Home / 314,935,862.40-472,403,793.60-99,525,110.40

Finding the Fourth Proportional to 314,935,862.40, 472,403,793.60 and 99,525,110.40

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Solution

The fourth proportional to 314,935,862.40, 472,403,793.60 and 99,525,110.40 is: 149,287,665.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,935,862.40 : 472,403,793.60 = 99,525,110.40 : x
  2. Step 2: Convert to fraction form
    314,935,862.40/472,403,793.60 = 99,525,110.40/x
  3. Step 3: Cross multiply
    314,935,862.40x = 472,403,793.60 × 99,525,110.40
  4. Step 4: Simplify right side
    314,935,862.40x = 47,016,039,711,418,816
  5. Step 5: Solve for x
    x = 47,016,039,711,418,816/314,935,862.40
  6. Step 6: Final answer
    x = 149,287,665.60

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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.