Home / 93,312,012.70-139,968,019.05-86,934,720.70

Finding the Fourth Proportional to 93,312,012.70, 139,968,019.05 and 86,934,720.70

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Solution

The fourth proportional to 93,312,012.70, 139,968,019.05 and 86,934,720.70 is: 130,402,081.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,312,012.70 : 139,968,019.05 = 86,934,720.70 : x
  2. Step 2: Convert to fraction form
    93,312,012.70/139,968,019.05 = 86,934,720.70/x
  3. Step 3: Cross multiply
    93,312,012.70x = 139,968,019.05 × 86,934,720.70
  4. Step 4: Simplify right side
    93,312,012.70x = 12,168,080,643,044,030
  5. Step 5: Solve for x
    x = 12,168,080,643,044,030/93,312,012.70
  6. Step 6: Final answer
    x = 130,402,081.05

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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.