Home / 162,329,877.12-224,009,226.72-87,988,841.52

Finding the Fourth Proportional to 162,329,877.12, 224,009,226.72 and 87,988,841.52

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Solution

The fourth proportional to 162,329,877.12, 224,009,226.72 and 87,988,841.52 is: 121,421,347.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,329,877.12 : 224,009,226.72 = 87,988,841.52 : x
  2. Step 2: Convert to fraction form
    162,329,877.12/224,009,226.72 = 87,988,841.52/x
  3. Step 3: Cross multiply
    162,329,877.12x = 224,009,226.72 × 87,988,841.52
  4. Step 4: Simplify right side
    162,329,877.12x = 19,710,312,348,883,828
  5. Step 5: Solve for x
    x = 19,710,312,348,883,828/162,329,877.12
  6. Step 6: Final answer
    x = 121,421,347.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.