Home / 145,578,042.40-218,367,063.60-69,050,538.40

Finding the Fourth Proportional to 145,578,042.40, 218,367,063.60 and 69,050,538.40

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Solution

The fourth proportional to 145,578,042.40, 218,367,063.60 and 69,050,538.40 is: 103,575,807.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,578,042.40 : 218,367,063.60 = 69,050,538.40 : x
  2. Step 2: Convert to fraction form
    145,578,042.40/218,367,063.60 = 69,050,538.40/x
  3. Step 3: Cross multiply
    145,578,042.40x = 218,367,063.60 × 69,050,538.40
  4. Step 4: Simplify right side
    145,578,042.40x = 15,078,363,310,407,044
  5. Step 5: Solve for x
    x = 15,078,363,310,407,044/145,578,042.40
  6. Step 6: Final answer
    x = 103,575,807.60

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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.