Home / 99,077,345.10-148,616,017.65-64,639,968.30

Finding the Fourth Proportional to 99,077,345.10, 148,616,017.65 and 64,639,968.30

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Solution

The fourth proportional to 99,077,345.10, 148,616,017.65 and 64,639,968.30 is: 96,959,952.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,077,345.10 : 148,616,017.65 = 64,639,968.30 : x
  2. Step 2: Convert to fraction form
    99,077,345.10/148,616,017.65 = 64,639,968.30/x
  3. Step 3: Cross multiply
    99,077,345.10x = 148,616,017.65 × 64,639,968.30
  4. Step 4: Simplify right side
    99,077,345.10x = 9,606,534,669,768,240
  5. Step 5: Solve for x
    x = 9,606,534,669,768,240/99,077,345.10
  6. Step 6: Final answer
    x = 96,959,952.45

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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.