Home / 189,044,038.40-283,566,057.60-120,963,603.20

Finding the Fourth Proportional to 189,044,038.40, 283,566,057.60 and 120,963,603.20

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Solution

The fourth proportional to 189,044,038.40, 283,566,057.60 and 120,963,603.20 is: 181,445,404.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,044,038.40 : 283,566,057.60 = 120,963,603.20 : x
  2. Step 2: Convert to fraction form
    189,044,038.40/283,566,057.60 = 120,963,603.20/x
  3. Step 3: Cross multiply
    189,044,038.40x = 283,566,057.60 × 120,963,603.20
  4. Step 4: Simplify right side
    189,044,038.40x = 34,301,172,072,514,748
  5. Step 5: Solve for x
    x = 34,301,172,072,514,748/189,044,038.40
  6. Step 6: Final answer
    x = 181,445,404.80

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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.