Home / 93,312,266.20-139,968,399.30-72,904,931.80

Finding the Fourth Proportional to 93,312,266.20, 139,968,399.30 and 72,904,931.80

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Solution

The fourth proportional to 93,312,266.20, 139,968,399.30 and 72,904,931.80 is: 109,357,397.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,312,266.20 : 139,968,399.30 = 72,904,931.80 : x
  2. Step 2: Convert to fraction form
    93,312,266.20/139,968,399.30 = 72,904,931.80/x
  3. Step 3: Cross multiply
    93,312,266.20x = 139,968,399.30 × 72,904,931.80
  4. Step 4: Simplify right side
    93,312,266.20x = 10,204,386,605,121,668
  5. Step 5: Solve for x
    x = 10,204,386,605,121,668/93,312,266.20
  6. Step 6: Final answer
    x = 109,357,397.70

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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.