Home / 65,520,011.80-98,280,017.70-20,075,901.40

Finding the Fourth Proportional to 65,520,011.80, 98,280,017.70 and 20,075,901.40

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Solution

The fourth proportional to 65,520,011.80, 98,280,017.70 and 20,075,901.40 is: 30,113,852.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,520,011.80 : 98,280,017.70 = 20,075,901.40 : x
  2. Step 2: Convert to fraction form
    65,520,011.80/98,280,017.70 = 20,075,901.40/x
  3. Step 3: Cross multiply
    65,520,011.80x = 98,280,017.70 × 20,075,901.40
  4. Step 4: Simplify right side
    65,520,011.80x = 1,973,059,944,935,454.75
  5. Step 5: Solve for x
    x = 1,973,059,944,935,454.75/65,520,011.80
  6. Step 6: Final answer
    x = 30,113,852.10

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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.