Home / 99,168,337.60-148,752,506.40-31,031,915.20

Finding the Fourth Proportional to 99,168,337.60, 148,752,506.40 and 31,031,915.20

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Solution

The fourth proportional to 99,168,337.60, 148,752,506.40 and 31,031,915.20 is: 46,547,872.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,168,337.60 : 148,752,506.40 = 31,031,915.20 : x
  2. Step 2: Convert to fraction form
    99,168,337.60/148,752,506.40 = 31,031,915.20/x
  3. Step 3: Cross multiply
    99,168,337.60x = 148,752,506.40 × 31,031,915.20
  4. Step 4: Simplify right side
    99,168,337.60x = 4,616,075,164,392,257
  5. Step 5: Solve for x
    x = 4,616,075,164,392,257/99,168,337.60
  6. Step 6: Final answer
    x = 46,547,872.80

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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.