Home / 93,312,009.20-139,968,013.80-86,934,717.20

Finding the Fourth Proportional to 93,312,009.20, 139,968,013.80 and 86,934,717.20

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Solution

The fourth proportional to 93,312,009.20, 139,968,013.80 and 86,934,717.20 is: 130,402,075.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,312,009.20 : 139,968,013.80 = 86,934,717.20 : x
  2. Step 2: Convert to fraction form
    93,312,009.20/139,968,013.80 = 86,934,717.20/x
  3. Step 3: Cross multiply
    93,312,009.20x = 139,968,013.80 × 86,934,717.20
  4. Step 4: Simplify right side
    93,312,009.20x = 12,168,079,696,748,698
  5. Step 5: Solve for x
    x = 12,168,079,696,748,698/93,312,009.20
  6. Step 6: Final answer
    x = 130,402,075.80

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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.