Home / 109,041,908.40-163,562,862.60-99,475,970.40

Finding the Fourth Proportional to 109,041,908.40, 163,562,862.60 and 99,475,970.40

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Solution

The fourth proportional to 109,041,908.40, 163,562,862.60 and 99,475,970.40 is: 149,213,955.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,041,908.40 : 163,562,862.60 = 99,475,970.40 : x
  2. Step 2: Convert to fraction form
    109,041,908.40/163,562,862.60 = 99,475,970.40/x
  3. Step 3: Cross multiply
    109,041,908.40x = 163,562,862.60 × 99,475,970.40
  4. Step 4: Simplify right side
    109,041,908.40x = 16,270,574,478,536,868
  5. Step 5: Solve for x
    x = 16,270,574,478,536,868/109,041,908.40
  6. Step 6: Final answer
    x = 149,213,955.60

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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.