Home / 411,946,681.40-617,920,022.10-124,746,630.20

Finding the Fourth Proportional to 411,946,681.40, 617,920,022.10 and 124,746,630.20

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Solution

The fourth proportional to 411,946,681.40, 617,920,022.10 and 124,746,630.20 is: 187,119,945.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,946,681.40 : 617,920,022.10 = 124,746,630.20 : x
  2. Step 2: Convert to fraction form
    411,946,681.40/617,920,022.10 = 124,746,630.20/x
  3. Step 3: Cross multiply
    411,946,681.40x = 617,920,022.10 × 124,746,630.20
  4. Step 4: Simplify right side
    411,946,681.40x = 77,083,440,490,084,528
  5. Step 5: Solve for x
    x = 77,083,440,490,084,528/411,946,681.40
  6. Step 6: Final answer
    x = 187,119,945.30

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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.