Home / 93,036,070.96-128,387,431.34-51,219,718.80

Finding the Fourth Proportional to 93,036,070.96, 128,387,431.34 and 51,219,718.80

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Solution

The fourth proportional to 93,036,070.96, 128,387,431.34 and 51,219,718.80 is: 70,681,920.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,036,070.96 : 128,387,431.34 = 51,219,718.80 : x
  2. Step 2: Convert to fraction form
    93,036,070.96/128,387,431.34 = 51,219,718.80/x
  3. Step 3: Cross multiply
    93,036,070.96x = 128,387,431.34 × 51,219,718.80
  4. Step 4: Simplify right side
    93,036,070.96x = 6,575,968,129,791,071
  5. Step 5: Solve for x
    x = 6,575,968,129,791,071/93,036,070.96
  6. Step 6: Final answer
    x = 70,681,920.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.