Home / 99,168,342.60-148,752,513.90-31,031,920.20

Finding the Fourth Proportional to 99,168,342.60, 148,752,513.90 and 31,031,920.20

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Solution

The fourth proportional to 99,168,342.60, 148,752,513.90 and 31,031,920.20 is: 46,547,880.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,168,342.60 : 148,752,513.90 = 31,031,920.20 : x
  2. Step 2: Convert to fraction form
    99,168,342.60/148,752,513.90 = 31,031,920.20/x
  3. Step 3: Cross multiply
    99,168,342.60x = 148,752,513.90 × 31,031,920.20
  4. Step 4: Simplify right side
    99,168,342.60x = 4,616,076,140,894,191
  5. Step 5: Solve for x
    x = 4,616,076,140,894,191/99,168,342.60
  6. Step 6: Final answer
    x = 46,547,880.30

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Similar ratio
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1.5x scale

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.