Home / 141,926,415.40-212,889,623.10-127,565,698.60

Finding the Fourth Proportional to 141,926,415.40, 212,889,623.10 and 127,565,698.60

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Solution

The fourth proportional to 141,926,415.40, 212,889,623.10 and 127,565,698.60 is: 191,348,547.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,926,415.40 : 212,889,623.10 = 127,565,698.60 : x
  2. Step 2: Convert to fraction form
    141,926,415.40/212,889,623.10 = 127,565,698.60/x
  3. Step 3: Cross multiply
    141,926,415.40x = 212,889,623.10 × 127,565,698.60
  4. Step 4: Simplify right side
    141,926,415.40x = 27,157,413,495,442,196
  5. Step 5: Solve for x
    x = 27,157,413,495,442,196/141,926,415.40
  6. Step 6: Final answer
    x = 191,348,547.90

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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.