Home / 161,698,019.70-242,547,029.55-64,668,702.90

Finding the Fourth Proportional to 161,698,019.70, 242,547,029.55 and 64,668,702.90

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Solution

The fourth proportional to 161,698,019.70, 242,547,029.55 and 64,668,702.90 is: 97,003,054.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,698,019.70 : 242,547,029.55 = 64,668,702.90 : x
  2. Step 2: Convert to fraction form
    161,698,019.70/242,547,029.55 = 64,668,702.90/x
  3. Step 3: Cross multiply
    161,698,019.70x = 242,547,029.55 × 64,668,702.90
  4. Step 4: Simplify right side
    161,698,019.70x = 15,685,201,793,246,472
  5. Step 5: Solve for x
    x = 15,685,201,793,246,472/161,698,019.70
  6. Step 6: Final answer
    x = 97,003,054.35

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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.