Home / 105,069,047.60-157,603,571.40-99,116,908.40

Finding the Fourth Proportional to 105,069,047.60, 157,603,571.40 and 99,116,908.40

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Solution

The fourth proportional to 105,069,047.60, 157,603,571.40 and 99,116,908.40 is: 148,675,362.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,069,047.60 : 157,603,571.40 = 99,116,908.40 : x
  2. Step 2: Convert to fraction form
    105,069,047.60/157,603,571.40 = 99,116,908.40/x
  3. Step 3: Cross multiply
    105,069,047.60x = 157,603,571.40 × 99,116,908.40
  4. Step 4: Simplify right side
    105,069,047.60x = 15,621,178,749,966,662
  5. Step 5: Solve for x
    x = 15,621,178,749,966,662/105,069,047.60
  6. Step 6: Final answer
    x = 148,675,362.60

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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.