Home / 73,872,075.80-110,808,113.70-72,360,421.40

Finding the Fourth Proportional to 73,872,075.80, 110,808,113.70 and 72,360,421.40

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Solution

The fourth proportional to 73,872,075.80, 110,808,113.70 and 72,360,421.40 is: 108,540,632.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,872,075.80 : 110,808,113.70 = 72,360,421.40 : x
  2. Step 2: Convert to fraction form
    73,872,075.80/110,808,113.70 = 72,360,421.40/x
  3. Step 3: Cross multiply
    73,872,075.80x = 110,808,113.70 × 72,360,421.40
  4. Step 4: Simplify right side
    73,872,075.80x = 8,018,121,801,871,114
  5. Step 5: Solve for x
    x = 8,018,121,801,871,114/73,872,075.80
  6. Step 6: Final answer
    x = 108,540,632.10

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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.