Home / 314,935,818.40-472,403,727.60-99,525,066.40

Finding the Fourth Proportional to 314,935,818.40, 472,403,727.60 and 99,525,066.40

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Solution

The fourth proportional to 314,935,818.40, 472,403,727.60 and 99,525,066.40 is: 149,287,599.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,935,818.40 : 472,403,727.60 = 99,525,066.40 : x
  2. Step 2: Convert to fraction form
    314,935,818.40/472,403,727.60 = 99,525,066.40/x
  3. Step 3: Cross multiply
    314,935,818.40x = 472,403,727.60 × 99,525,066.40
  4. Step 4: Simplify right side
    314,935,818.40x = 47,016,012,356,997,520
  5. Step 5: Solve for x
    x = 47,016,012,356,997,520/314,935,818.40
  6. Step 6: Final answer
    x = 149,287,599.60

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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.