Home / 314,935,967.40-472,403,951.10-99,525,215.40

Finding the Fourth Proportional to 314,935,967.40, 472,403,951.10 and 99,525,215.40

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Solution

The fourth proportional to 314,935,967.40, 472,403,951.10 and 99,525,215.40 is: 149,287,823.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,935,967.40 : 472,403,951.10 = 99,525,215.40 : x
  2. Step 2: Convert to fraction form
    314,935,967.40/472,403,951.10 = 99,525,215.40/x
  3. Step 3: Cross multiply
    314,935,967.40x = 472,403,951.10 × 99,525,215.40
  4. Step 4: Simplify right side
    314,935,967.40x = 47,016,104,989,038,576
  5. Step 5: Solve for x
    x = 47,016,104,989,038,576/314,935,967.40
  6. Step 6: Final answer
    x = 149,287,823.10

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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.