Home / 93,312,098.70-139,968,148.05-86,934,806.70

Finding the Fourth Proportional to 93,312,098.70, 139,968,148.05 and 86,934,806.70

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Solution

The fourth proportional to 93,312,098.70, 139,968,148.05 and 86,934,806.70 is: 130,402,210.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,312,098.70 : 139,968,148.05 = 86,934,806.70 : x
  2. Step 2: Convert to fraction form
    93,312,098.70/139,968,148.05 = 86,934,806.70/x
  3. Step 3: Cross multiply
    93,312,098.70x = 139,968,148.05 × 86,934,806.70
  4. Step 4: Simplify right side
    93,312,098.70x = 12,168,103,894,883,734
  5. Step 5: Solve for x
    x = 12,168,103,894,883,734/93,312,098.70
  6. Step 6: Final answer
    x = 130,402,210.05

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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.