Home / 74,373,031.80-111,559,547.70-57,154,343.40

Finding the Fourth Proportional to 74,373,031.80, 111,559,547.70 and 57,154,343.40

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Solution

The fourth proportional to 74,373,031.80, 111,559,547.70 and 57,154,343.40 is: 85,731,515.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,373,031.80 : 111,559,547.70 = 57,154,343.40 : x
  2. Step 2: Convert to fraction form
    74,373,031.80/111,559,547.70 = 57,154,343.40/x
  3. Step 3: Cross multiply
    74,373,031.80x = 111,559,547.70 × 57,154,343.40
  4. Step 4: Simplify right side
    74,373,031.80x = 6,376,112,698,794,480
  5. Step 5: Solve for x
    x = 6,376,112,698,794,480/74,373,031.80
  6. Step 6: Final answer
    x = 85,731,515.10

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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.