Home / 200,688,236.92-301,142,075.55-77,871,397.24

Finding the Fourth Proportional to 200,688,236.92, 301,142,075.55 and 77,871,397.24

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Solution

The fourth proportional to 200,688,236.92, 301,142,075.55 and 77,871,397.24 is: 116,849,669.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,688,236.92 : 301,142,075.55 = 77,871,397.24 : x
  2. Step 2: Convert to fraction form
    200,688,236.92/301,142,075.55 = 77,871,397.24/x
  3. Step 3: Cross multiply
    200,688,236.92x = 301,142,075.55 × 77,871,397.24
  4. Step 4: Simplify right side
    200,688,236.92x = 23,450,354,190,832,140
  5. Step 5: Solve for x
    x = 23,450,354,190,832,140/200,688,236.92
  6. Step 6: Final answer
    x = 116,849,669.67

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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.