Home / 30,240,045.40-45,360,068.10-10,045,287.40

Finding the Fourth Proportional to 30,240,045.40, 45,360,068.10 and 10,045,287.40

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Solution

The fourth proportional to 30,240,045.40, 45,360,068.10 and 10,045,287.40 is: 15,067,931.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,240,045.40 : 45,360,068.10 = 10,045,287.40 : x
  2. Step 2: Convert to fraction form
    30,240,045.40/45,360,068.10 = 10,045,287.40/x
  3. Step 3: Cross multiply
    30,240,045.40x = 45,360,068.10 × 10,045,287.40
  4. Step 4: Simplify right side
    30,240,045.40x = 455,654,920,548,072
  5. Step 5: Solve for x
    x = 455,654,920,548,072/30,240,045.40
  6. Step 6: Final answer
    x = 15,067,931.10

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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.