Home / 105,069,113.10-157,603,669.65-99,116,973.90

Finding the Fourth Proportional to 105,069,113.10, 157,603,669.65 and 99,116,973.90

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Solution

The fourth proportional to 105,069,113.10, 157,603,669.65 and 99,116,973.90 is: 148,675,460.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,069,113.10 : 157,603,669.65 = 99,116,973.90 : x
  2. Step 2: Convert to fraction form
    105,069,113.10/157,603,669.65 = 99,116,973.90/x
  3. Step 3: Cross multiply
    105,069,113.10x = 157,603,669.65 × 99,116,973.90
  4. Step 4: Simplify right side
    105,069,113.10x = 15,621,198,811,243,274
  5. Step 5: Solve for x
    x = 15,621,198,811,243,274/105,069,113.10
  6. Step 6: Final answer
    x = 148,675,460.85

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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.